; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -debugify-and-strip-all-safe -mcpu=cyclone -verify-machineinstrs -aarch64-enable-ccmp -aarch64-stress-ccmp | FileCheck %s ; RUN: llc < %s -debugify-and-strip-all-safe -mcpu=cyclone -verify-machineinstrs -aarch64-enable-ccmp -aarch64-stress-ccmp -global-isel -global-isel-abort=2 | FileCheck %s --check-prefix=GISEL target triple = "arm64-apple-ios" define i32 @single_same(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: single_same: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #5 ; CHECK-NEXT: ccmp w1, #17, #4, ne ; CHECK-NEXT: b.ne LBB0_2 ; CHECK-NEXT: ; %bb.1: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: LBB0_2: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: single_same: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #5 ; GISEL-NEXT: ccmp w1, #17, #4, ne ; GISEL-NEXT: b.ne LBB0_2 ; GISEL-NEXT: ; %bb.1: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: LBB0_2: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp eq i32 %a, 5 %cmp1 = icmp eq i32 %b, 17 %or.cond = or i1 %cmp, %cmp1 br i1 %or.cond, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret i32 7 } ; Different condition codes for the two compares. define i32 @single_different(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: single_different: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #6 ; CHECK-NEXT: ccmp w1, #17, #0, ge ; CHECK-NEXT: b.eq LBB1_2 ; CHECK-NEXT: ; %bb.1: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: LBB1_2: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: single_different: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #5 ; GISEL-NEXT: ccmp w1, #17, #0, gt ; GISEL-NEXT: b.eq LBB1_2 ; GISEL-NEXT: ; %bb.1: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: LBB1_2: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp sle i32 %a, 5 %cmp1 = icmp ne i32 %b, 17 %or.cond = or i1 %cmp, %cmp1 br i1 %or.cond, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret i32 7 } ; Second block clobbers the flags, can't convert (easily). define i32 @single_flagclobber(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: single_flagclobber: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #5 ; CHECK-NEXT: b.eq LBB2_2 ; CHECK-NEXT: ; %bb.1: ; %lor.lhs.false ; CHECK-NEXT: lsl w8, w1, #1 ; CHECK-NEXT: cmp w1, #7 ; CHECK-NEXT: csinc w8, w8, w1, lt ; CHECK-NEXT: cmp w8, #16 ; CHECK-NEXT: b.gt LBB2_3 ; CHECK-NEXT: LBB2_2: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: LBB2_3: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: single_flagclobber: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #5 ; GISEL-NEXT: b.eq LBB2_2 ; GISEL-NEXT: ; %bb.1: ; %lor.lhs.false ; GISEL-NEXT: lsl w8, w1, #1 ; GISEL-NEXT: cmp w1, #7 ; GISEL-NEXT: csinc w8, w8, w1, lt ; GISEL-NEXT: cmp w8, #17 ; GISEL-NEXT: b.ge LBB2_3 ; GISEL-NEXT: LBB2_2: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: LBB2_3: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp eq i32 %a, 5 br i1 %cmp, label %if.then, label %lor.lhs.false lor.lhs.false: ; preds = %entry %cmp1 = icmp slt i32 %b, 7 %mul = shl nsw i32 %b, 1 %add = add nsw i32 %b, 1 %cond = select i1 %cmp1, i32 %mul, i32 %add %cmp2 = icmp slt i32 %cond, 17 br i1 %cmp2, label %if.then, label %if.end if.then: ; preds = %lor.lhs.false, %entry %call = tail call i32 @foo() nounwind br label %if.end if.end: ; preds = %if.then, %lor.lhs.false ret i32 7 } ; Second block clobbers the flags and ends with a tbz terminator. define i32 @single_flagclobber_tbz(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: single_flagclobber_tbz: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #5 ; CHECK-NEXT: b.eq LBB3_2 ; CHECK-NEXT: ; %bb.1: ; %lor.lhs.false ; CHECK-NEXT: lsl w8, w1, #1 ; CHECK-NEXT: cmp w1, #7 ; CHECK-NEXT: csinc w8, w8, w1, lt ; CHECK-NEXT: tbz w8, #3, LBB3_3 ; CHECK-NEXT: LBB3_2: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: LBB3_3: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: single_flagclobber_tbz: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #5 ; GISEL-NEXT: b.eq LBB3_2 ; GISEL-NEXT: ; %bb.1: ; %lor.lhs.false ; GISEL-NEXT: lsl w8, w1, #1 ; GISEL-NEXT: cmp w1, #7 ; GISEL-NEXT: csinc w8, w8, w1, lt ; GISEL-NEXT: tbz w8, #3, LBB3_3 ; GISEL-NEXT: LBB3_2: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: LBB3_3: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp eq i32 %a, 5 br i1 %cmp, label %if.then, label %lor.lhs.false lor.lhs.false: ; preds = %entry %cmp1 = icmp slt i32 %b, 7 %mul = shl nsw i32 %b, 1 %add = add nsw i32 %b, 1 %cond = select i1 %cmp1, i32 %mul, i32 %add %and = and i32 %cond, 8 %cmp2 = icmp ne i32 %and, 0 br i1 %cmp2, label %if.then, label %if.end if.then: ; preds = %lor.lhs.false, %entry %call = tail call i32 @foo() nounwind br label %if.end if.end: ; preds = %if.then, %lor.lhs.false ret i32 7 } ; Speculatively execute division by zero. ; The sdiv/udiv instructions do not trap when the divisor is zero, so they are ; safe to speculate. define i32 @speculate_division(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: speculate_division: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #1 ; CHECK-NEXT: sdiv w8, w1, w0 ; CHECK-NEXT: ccmp w8, #16, #0, ge ; CHECK-NEXT: b.le LBB4_2 ; CHECK-NEXT: ; %bb.1: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; CHECK-NEXT: LBB4_2: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: speculate_division: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #0 ; GISEL-NEXT: sdiv w8, w1, w0 ; GISEL-NEXT: ccmp w8, #17, #0, gt ; GISEL-NEXT: b.lt LBB4_2 ; GISEL-NEXT: ; %bb.1: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret ; GISEL-NEXT: LBB4_2: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp sgt i32 %a, 0 br i1 %cmp, label %land.lhs.true, label %if.end land.lhs.true: %div = sdiv i32 %b, %a %cmp1 = icmp slt i32 %div, 17 br i1 %cmp1, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret i32 7 } ; Floating point compare. define i32 @single_fcmp(i32 %a, float %b) nounwind ssp { ; CHECK-LABEL: single_fcmp: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #1 ; CHECK-NEXT: scvtf s1, w0 ; CHECK-NEXT: fdiv s0, s0, s1 ; CHECK-NEXT: fmov s1, #17.00000000 ; CHECK-NEXT: fccmp s0, s1, #8, ge ; CHECK-NEXT: b.ge LBB5_2 ; CHECK-NEXT: ; %bb.1: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; CHECK-NEXT: LBB5_2: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: single_fcmp: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #0 ; GISEL-NEXT: scvtf s1, w0 ; GISEL-NEXT: fdiv s0, s0, s1 ; GISEL-NEXT: fmov s1, #17.00000000 ; GISEL-NEXT: fccmp s0, s1, #8, gt ; GISEL-NEXT: b.ge LBB5_2 ; GISEL-NEXT: ; %bb.1: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret ; GISEL-NEXT: LBB5_2: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp sgt i32 %a, 0 br i1 %cmp, label %land.lhs.true, label %if.end land.lhs.true: %conv = sitofp i32 %a to float %div = fdiv float %b, %conv %cmp1 = fcmp oge float %div, 1.700000e+01 br i1 %cmp1, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret i32 7 } ; Chain multiple compares. define void @multi_different(i32 %a, i32 %b, i32 %c) nounwind ssp { ; CHECK-LABEL: multi_different: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, w1 ; CHECK-NEXT: sdiv w8, w1, w0 ; CHECK-NEXT: ccmp w8, #5, #0, gt ; CHECK-NEXT: ccmp w8, w2, #4, eq ; CHECK-NEXT: b.gt LBB6_2 ; CHECK-NEXT: ; %bb.1: ; %if.end ; CHECK-NEXT: ret ; CHECK-NEXT: LBB6_2: ; %if.then ; CHECK-NEXT: b _foo ; ; GISEL-LABEL: multi_different: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, w1 ; GISEL-NEXT: sdiv w8, w1, w0 ; GISEL-NEXT: ccmp w8, #5, #0, gt ; GISEL-NEXT: ccmp w8, w2, #4, eq ; GISEL-NEXT: b.gt LBB6_2 ; GISEL-NEXT: ; %bb.1: ; %if.end ; GISEL-NEXT: ret ; GISEL-NEXT: LBB6_2: ; %if.then ; GISEL-NEXT: b _foo entry: %cmp = icmp sgt i32 %a, %b br i1 %cmp, label %land.lhs.true, label %if.end land.lhs.true: %div = sdiv i32 %b, %a %cmp1 = icmp eq i32 %div, 5 %cmp4 = icmp sgt i32 %div, %c %or.cond = and i1 %cmp1, %cmp4 br i1 %or.cond, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret void } ; Convert a cbz in the head block. define i32 @cbz_head(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: cbz_head: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #0 ; CHECK-NEXT: ccmp w1, #17, #0, ne ; CHECK-NEXT: b.eq LBB7_2 ; CHECK-NEXT: ; %bb.1: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: LBB7_2: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: cbz_head: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #0 ; GISEL-NEXT: ccmp w1, #17, #0, ne ; GISEL-NEXT: b.eq LBB7_2 ; GISEL-NEXT: ; %bb.1: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: LBB7_2: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp eq i32 %a, 0 %cmp1 = icmp ne i32 %b, 17 %or.cond = or i1 %cmp, %cmp1 br i1 %or.cond, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret i32 7 } ; Check that the immediate operand is in range. The ccmp instruction encodes a ; smaller range of immediates than subs/adds. ; The ccmp immediates must be in the range 0-31. define i32 @immediate_range(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: immediate_range: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #5 ; CHECK-NEXT: b.eq LBB8_3 ; CHECK-NEXT: ; %bb.1: ; %entry ; CHECK-NEXT: cmp w1, #32 ; CHECK-NEXT: b.eq LBB8_3 ; CHECK-NEXT: ; %bb.2: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; CHECK-NEXT: LBB8_3: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: immediate_range: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #5 ; GISEL-NEXT: b.eq LBB8_3 ; GISEL-NEXT: ; %bb.1: ; %entry ; GISEL-NEXT: cmp w1, #32 ; GISEL-NEXT: b.eq LBB8_3 ; GISEL-NEXT: ; %bb.2: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret ; GISEL-NEXT: LBB8_3: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp eq i32 %a, 5 %cmp1 = icmp eq i32 %b, 32 %or.cond = or i1 %cmp, %cmp1 br i1 %or.cond, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret i32 7 } ; Convert a cbz in the second block. define i32 @cbz_second(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: cbz_second: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #0 ; CHECK-NEXT: ccmp w1, #0, #0, ne ; CHECK-NEXT: b.eq LBB9_2 ; CHECK-NEXT: ; %bb.1: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: LBB9_2: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: cbz_second: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #0 ; GISEL-NEXT: ccmp w1, #0, #0, ne ; GISEL-NEXT: b.eq LBB9_2 ; GISEL-NEXT: ; %bb.1: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: LBB9_2: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp eq i32 %a, 0 %cmp1 = icmp ne i32 %b, 0 %or.cond = or i1 %cmp, %cmp1 br i1 %or.cond, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret i32 7 } ; Convert a cbnz in the second block. define i32 @cbnz_second(i32 %a, i32 %b) nounwind ssp { ; CHECK-LABEL: cbnz_second: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: cmp w0, #0 ; CHECK-NEXT: ccmp w1, #0, #4, ne ; CHECK-NEXT: b.ne LBB10_2 ; CHECK-NEXT: ; %bb.1: ; %if.then ; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; CHECK-NEXT: bl _foo ; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; CHECK-NEXT: LBB10_2: ; %if.end ; CHECK-NEXT: mov w0, #7 ; CHECK-NEXT: ret ; ; GISEL-LABEL: cbnz_second: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: cmp w0, #0 ; GISEL-NEXT: ccmp w1, #0, #4, ne ; GISEL-NEXT: b.ne LBB10_2 ; GISEL-NEXT: ; %bb.1: ; %if.then ; GISEL-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill ; GISEL-NEXT: bl _foo ; GISEL-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload ; GISEL-NEXT: LBB10_2: ; %if.end ; GISEL-NEXT: mov w0, #7 ; GISEL-NEXT: ret entry: %cmp = icmp eq i32 %a, 0 %cmp1 = icmp eq i32 %b, 0 %or.cond = or i1 %cmp, %cmp1 br i1 %or.cond, label %if.then, label %if.end if.then: %call = tail call i32 @foo() nounwind br label %if.end if.end: ret i32 7 } declare i32 @foo() %str1 = type { %str2 } %str2 = type { [24 x i8], i8*, i32, %str1*, i32, [4 x i8], %str1*, %str1*, %str1*, %str1*, %str1*, %str1*, %str1*, %str1*, %str1*, i8*, i8, i8*, %str1*, i8* } ; Test case distilled from 126.gcc. ; The phi in sw.bb.i.i gets multiple operands for the %entry predecessor. define void @build_modify_expr() nounwind ssp { ; CHECK-LABEL: build_modify_expr: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: ret ; ; GISEL-LABEL: build_modify_expr: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: ret entry: switch i32 undef, label %sw.bb.i.i [ i32 69, label %if.end85 i32 70, label %if.end85 i32 71, label %if.end85 i32 72, label %if.end85 i32 73, label %if.end85 i32 105, label %if.end85 i32 106, label %if.end85 ] if.end85: ret void sw.bb.i.i: %ref.tr.i.i = phi %str1* [ %0, %sw.bb.i.i ], [ undef, %entry ] %operands.i.i = getelementptr inbounds %str1, %str1* %ref.tr.i.i, i64 0, i32 0, i32 2 %arrayidx.i.i = bitcast i32* %operands.i.i to %str1** %0 = load %str1*, %str1** %arrayidx.i.i, align 8 %code1.i.i.phi.trans.insert = getelementptr inbounds %str1, %str1* %0, i64 0, i32 0, i32 0, i64 16 br label %sw.bb.i.i } define i64 @select_and(i32 %w0, i32 %w1, i64 %x2, i64 %x3) { ; CHECK-LABEL: select_and: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w1, #5 ; CHECK-NEXT: ccmp w0, w1, #0, ne ; CHECK-NEXT: csel x0, x2, x3, lt ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_and: ; GISEL: ; %bb.0: ; GISEL-NEXT: mov w8, #5 ; GISEL-NEXT: cmp w8, w1 ; GISEL-NEXT: ccmp w0, w1, #0, ne ; GISEL-NEXT: csel x0, x2, x3, lt ; GISEL-NEXT: ret %1 = icmp slt i32 %w0, %w1 %2 = icmp ne i32 5, %w1 %3 = and i1 %1, %2 %sel = select i1 %3, i64 %x2, i64 %x3 ret i64 %sel } define i64 @select_or(i32 %w0, i32 %w1, i64 %x2, i64 %x3) { ; CHECK-LABEL: select_or: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w1, #5 ; CHECK-NEXT: ccmp w0, w1, #8, eq ; CHECK-NEXT: csel x0, x2, x3, lt ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_or: ; GISEL: ; %bb.0: ; GISEL-NEXT: mov w8, #5 ; GISEL-NEXT: cmp w8, w1 ; GISEL-NEXT: ccmp w0, w1, #8, eq ; GISEL-NEXT: csel x0, x2, x3, lt ; GISEL-NEXT: ret %1 = icmp slt i32 %w0, %w1 %2 = icmp ne i32 5, %w1 %3 = or i1 %1, %2 %sel = select i1 %3, i64 %x2, i64 %x3 ret i64 %sel } define float @select_or_float(i32 %w0, i32 %w1, float %x2, float %x3) { ; CHECK-LABEL: select_or_float: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w1, #5 ; CHECK-NEXT: ccmp w0, w1, #8, eq ; CHECK-NEXT: fcsel s0, s0, s1, lt ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_or_float: ; GISEL: ; %bb.0: ; GISEL-NEXT: mov w8, #5 ; GISEL-NEXT: cmp w8, w1 ; GISEL-NEXT: ccmp w0, w1, #8, eq ; GISEL-NEXT: fcsel s0, s0, s1, lt ; GISEL-NEXT: ret %1 = icmp slt i32 %w0, %w1 %2 = icmp ne i32 5, %w1 %3 = or i1 %1, %2 %sel = select i1 %3, float %x2,float %x3 ret float %sel } define i64 @gccbug(i64 %x0, i64 %x1) { ; CHECK-LABEL: gccbug: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp x0, #2 ; CHECK-NEXT: ccmp x0, #4, #4, ne ; CHECK-NEXT: ccmp x1, #0, #0, eq ; CHECK-NEXT: mov w8, #1 ; CHECK-NEXT: cinc x0, x8, eq ; CHECK-NEXT: ret ; ; GISEL-LABEL: gccbug: ; GISEL: ; %bb.0: ; GISEL-NEXT: mov w8, #2 ; GISEL-NEXT: mov w9, #4 ; GISEL-NEXT: cmp x0, #2 ; GISEL-NEXT: ccmp x0, x9, #4, ne ; GISEL-NEXT: ccmp x1, xzr, #0, eq ; GISEL-NEXT: csinc x0, x8, xzr, eq ; GISEL-NEXT: ret %cmp0 = icmp eq i64 %x1, 0 %cmp1 = icmp eq i64 %x0, 2 %cmp2 = icmp eq i64 %x0, 4 %or = or i1 %cmp2, %cmp1 %and = and i1 %or, %cmp0 %sel = select i1 %and, i64 2, i64 1 ret i64 %sel } define i32 @select_ororand(i32 %w0, i32 %w1, i32 %w2, i32 %w3) { ; CHECK-LABEL: select_ororand: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w3, #4 ; CHECK-NEXT: ccmp w2, #2, #0, gt ; CHECK-NEXT: ccmp w1, #13, #2, ge ; CHECK-NEXT: ccmp w0, #0, #4, ls ; CHECK-NEXT: csel w0, w3, wzr, eq ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_ororand: ; GISEL: ; %bb.0: ; GISEL-NEXT: mov w8, #13 ; GISEL-NEXT: mov w9, #2 ; GISEL-NEXT: cmp w3, #4 ; GISEL-NEXT: ccmp w2, w9, #0, gt ; GISEL-NEXT: ccmp w1, w8, #2, ge ; GISEL-NEXT: ccmp w0, wzr, #4, ls ; GISEL-NEXT: csel w0, w3, wzr, eq ; GISEL-NEXT: ret %c0 = icmp eq i32 %w0, 0 %c1 = icmp ugt i32 %w1, 13 %c2 = icmp slt i32 %w2, 2 %c4 = icmp sgt i32 %w3, 4 %or = or i1 %c0, %c1 %and = and i1 %c2, %c4 %or1 = or i1 %or, %and %sel = select i1 %or1, i32 %w3, i32 0 ret i32 %sel } define i32 @select_andor(i32 %v1, i32 %v2, i32 %v3) { ; CHECK-LABEL: select_andor: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w1, w2 ; CHECK-NEXT: ccmp w0, #0, #4, lt ; CHECK-NEXT: ccmp w0, w1, #0, eq ; CHECK-NEXT: csel w0, w0, w1, eq ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_andor: ; GISEL: ; %bb.0: ; GISEL-NEXT: cmp w1, w2 ; GISEL-NEXT: ccmp w0, wzr, #4, lt ; GISEL-NEXT: ccmp w0, w1, #0, eq ; GISEL-NEXT: csel w0, w0, w1, eq ; GISEL-NEXT: ret %c0 = icmp eq i32 %v1, %v2 %c1 = icmp sge i32 %v2, %v3 %c2 = icmp eq i32 %v1, 0 %or = or i1 %c2, %c1 %and = and i1 %or, %c0 %sel = select i1 %and, i32 %v1, i32 %v2 ret i32 %sel } define i64 @select_noccmp1(i64 %v1, i64 %v2, i64 %v3, i64 %r) { ; CHECK-LABEL: select_noccmp1: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp x0, #0 ; CHECK-NEXT: ccmp x0, #13, #4, lt ; CHECK-NEXT: cset w8, gt ; CHECK-NEXT: cmp x2, #2 ; CHECK-NEXT: ccmp x2, #4, #4, lt ; CHECK-NEXT: cset w9, gt ; CHECK-NEXT: orr w8, w8, w9 ; CHECK-NEXT: cmp w8, #0 ; CHECK-NEXT: csel x0, xzr, x3, ne ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_noccmp1: ; GISEL: ; %bb.0: ; GISEL-NEXT: cmp x0, #0 ; GISEL-NEXT: cset w8, lt ; GISEL-NEXT: cmp x0, #13 ; GISEL-NEXT: cset w9, gt ; GISEL-NEXT: cmp x2, #2 ; GISEL-NEXT: cset w10, lt ; GISEL-NEXT: cmp x2, #4 ; GISEL-NEXT: cset w11, gt ; GISEL-NEXT: and w8, w8, w9 ; GISEL-NEXT: and w9, w10, w11 ; GISEL-NEXT: orr w8, w8, w9 ; GISEL-NEXT: tst w8, #0x1 ; GISEL-NEXT: csel x0, xzr, x3, ne ; GISEL-NEXT: ret %c0 = icmp slt i64 %v1, 0 %c1 = icmp sgt i64 %v1, 13 %c2 = icmp slt i64 %v3, 2 %c4 = icmp sgt i64 %v3, 4 %and0 = and i1 %c0, %c1 %and1 = and i1 %c2, %c4 %or = or i1 %and0, %and1 %sel = select i1 %or, i64 0, i64 %r ret i64 %sel } @g = global i32 0 define i64 @select_noccmp2(i64 %v1, i64 %v2, i64 %v3, i64 %r) { ; CHECK-LABEL: select_noccmp2: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp x0, #0 ; CHECK-NEXT: ccmp x0, #13, #0, ge ; CHECK-NEXT: cset w8, gt ; CHECK-NEXT: cmp w8, #0 ; CHECK-NEXT: csel x0, xzr, x3, ne ; CHECK-NEXT: sbfx w8, w8, #0, #1 ; CHECK-NEXT: adrp x9, _g@PAGE ; CHECK-NEXT: str w8, [x9, _g@PAGEOFF] ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_noccmp2: ; GISEL: ; %bb.0: ; GISEL-NEXT: cmp x0, #0 ; GISEL-NEXT: cset w8, lt ; GISEL-NEXT: cmp x0, #13 ; GISEL-NEXT: cset w9, gt ; GISEL-NEXT: orr w8, w8, w9 ; GISEL-NEXT: tst w8, #0x1 ; GISEL-NEXT: csel x0, xzr, x3, ne ; GISEL-NEXT: sbfx w8, w8, #0, #1 ; GISEL-NEXT: adrp x9, _g@PAGE ; GISEL-NEXT: str w8, [x9, _g@PAGEOFF] ; GISEL-NEXT: ret %c0 = icmp slt i64 %v1, 0 %c1 = icmp sgt i64 %v1, 13 %or = or i1 %c0, %c1 %sel = select i1 %or, i64 0, i64 %r %ext = sext i1 %or to i32 store volatile i32 %ext, i32* @g ret i64 %sel } ; The following is not possible to implement with a single cmp;ccmp;csel ; sequence. define i32 @select_noccmp3(i32 %v0, i32 %v1, i32 %v2) { ; CHECK-LABEL: select_noccmp3: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w0, #0 ; CHECK-NEXT: ccmp w0, #13, #0, ge ; CHECK-NEXT: cset w8, gt ; CHECK-NEXT: cmp w0, #22 ; CHECK-NEXT: mov w9, #44 ; CHECK-NEXT: ccmp w0, w9, #0, ge ; CHECK-NEXT: cset w9, gt ; CHECK-NEXT: cmp w0, #99 ; CHECK-NEXT: and w8, w8, w9 ; CHECK-NEXT: mov w9, #77 ; CHECK-NEXT: ccmp w0, w9, #4, ne ; CHECK-NEXT: cset w9, eq ; CHECK-NEXT: tst w8, w9 ; CHECK-NEXT: csel w0, w1, w2, ne ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_noccmp3: ; GISEL: ; %bb.0: ; GISEL-NEXT: cmp w0, #0 ; GISEL-NEXT: cset w8, lt ; GISEL-NEXT: cmp w0, #13 ; GISEL-NEXT: cset w9, gt ; GISEL-NEXT: cmp w0, #22 ; GISEL-NEXT: cset w10, lt ; GISEL-NEXT: cmp w0, #44 ; GISEL-NEXT: cset w11, gt ; GISEL-NEXT: cmp w0, #99 ; GISEL-NEXT: cset w12, eq ; GISEL-NEXT: cmp w0, #77 ; GISEL-NEXT: cset w13, eq ; GISEL-NEXT: orr w8, w8, w9 ; GISEL-NEXT: orr w9, w10, w11 ; GISEL-NEXT: and w8, w8, w9 ; GISEL-NEXT: orr w9, w12, w13 ; GISEL-NEXT: and w8, w8, w9 ; GISEL-NEXT: tst w8, #0x1 ; GISEL-NEXT: csel w0, w1, w2, ne ; GISEL-NEXT: ret %c0 = icmp slt i32 %v0, 0 %c1 = icmp sgt i32 %v0, 13 %c2 = icmp slt i32 %v0, 22 %c3 = icmp sgt i32 %v0, 44 %c4 = icmp eq i32 %v0, 99 %c5 = icmp eq i32 %v0, 77 %or0 = or i1 %c0, %c1 %or1 = or i1 %c2, %c3 %and0 = and i1 %or0, %or1 %or2 = or i1 %c4, %c5 %and1 = and i1 %and0, %or2 %sel = select i1 %and1, i32 %v1, i32 %v2 ret i32 %sel } ; Test the IR CCs that expand to two cond codes. define i32 @select_and_olt_one(double %v0, double %v1, double %v2, double %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_and_olt_one: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d2, d3, #4, mi ; CHECK-NEXT: fccmp d2, d3, #1, ne ; CHECK-NEXT: csel w0, w0, w1, vc ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_and_olt_one: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d2, d3, #4, mi ; GISEL-NEXT: fccmp d2, d3, #1, ne ; GISEL-NEXT: csel w0, w0, w1, vc ; GISEL-NEXT: ret %c0 = fcmp olt double %v0, %v1 %c1 = fcmp one double %v2, %v3 %cr = and i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_and_one_olt(double %v0, double %v1, double %v2, double %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_and_one_olt: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d0, d1, #1, ne ; CHECK-NEXT: fccmp d2, d3, #0, vc ; CHECK-NEXT: csel w0, w0, w1, mi ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_and_one_olt: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d0, d1, #1, ne ; GISEL-NEXT: fccmp d2, d3, #0, vc ; GISEL-NEXT: csel w0, w0, w1, mi ; GISEL-NEXT: ret %c0 = fcmp one double %v0, %v1 %c1 = fcmp olt double %v2, %v3 %cr = and i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_and_olt_ueq(double %v0, double %v1, double %v2, double %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_and_olt_ueq: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d2, d3, #0, mi ; CHECK-NEXT: fccmp d2, d3, #8, le ; CHECK-NEXT: csel w0, w0, w1, pl ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_and_olt_ueq: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d2, d3, #0, mi ; GISEL-NEXT: fccmp d2, d3, #8, le ; GISEL-NEXT: csel w0, w0, w1, pl ; GISEL-NEXT: ret %c0 = fcmp olt double %v0, %v1 %c1 = fcmp ueq double %v2, %v3 %cr = and i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_and_ueq_olt(double %v0, double %v1, double %v2, double %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_and_ueq_olt: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d0, d1, #8, le ; CHECK-NEXT: fccmp d2, d3, #0, pl ; CHECK-NEXT: csel w0, w0, w1, mi ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_and_ueq_olt: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d0, d1, #8, le ; GISEL-NEXT: fccmp d2, d3, #0, pl ; GISEL-NEXT: csel w0, w0, w1, mi ; GISEL-NEXT: ret %c0 = fcmp ueq double %v0, %v1 %c1 = fcmp olt double %v2, %v3 %cr = and i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_or_olt_one(double %v0, double %v1, double %v2, double %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_or_olt_one: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d2, d3, #0, pl ; CHECK-NEXT: fccmp d2, d3, #8, le ; CHECK-NEXT: csel w0, w0, w1, mi ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_or_olt_one: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d2, d3, #0, pl ; GISEL-NEXT: fccmp d2, d3, #8, le ; GISEL-NEXT: csel w0, w0, w1, mi ; GISEL-NEXT: ret %c0 = fcmp olt double %v0, %v1 %c1 = fcmp one double %v2, %v3 %cr = or i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_or_one_olt(double %v0, double %v1, double %v2, double %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_or_one_olt: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d0, d1, #8, le ; CHECK-NEXT: fccmp d2, d3, #8, pl ; CHECK-NEXT: csel w0, w0, w1, mi ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_or_one_olt: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d0, d1, #8, le ; GISEL-NEXT: fccmp d2, d3, #8, pl ; GISEL-NEXT: csel w0, w0, w1, mi ; GISEL-NEXT: ret %c0 = fcmp one double %v0, %v1 %c1 = fcmp olt double %v2, %v3 %cr = or i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_or_olt_ueq(double %v0, double %v1, double %v2, double %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_or_olt_ueq: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d2, d3, #4, pl ; CHECK-NEXT: fccmp d2, d3, #1, ne ; CHECK-NEXT: csel w0, w0, w1, vs ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_or_olt_ueq: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d2, d3, #4, pl ; GISEL-NEXT: fccmp d2, d3, #1, ne ; GISEL-NEXT: csel w0, w0, w1, vs ; GISEL-NEXT: ret %c0 = fcmp olt double %v0, %v1 %c1 = fcmp ueq double %v2, %v3 %cr = or i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_or_ueq_olt(double %v0, double %v1, double %v2, double %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_or_ueq_olt: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d0, d1, #1, ne ; CHECK-NEXT: fccmp d2, d3, #8, vc ; CHECK-NEXT: csel w0, w0, w1, mi ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_or_ueq_olt: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d0, d1, #1, ne ; GISEL-NEXT: fccmp d2, d3, #8, vc ; GISEL-NEXT: csel w0, w0, w1, mi ; GISEL-NEXT: ret %c0 = fcmp ueq double %v0, %v1 %c1 = fcmp olt double %v2, %v3 %cr = or i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_or_olt_ogt_ueq(double %v0, double %v1, double %v2, double %v3, double %v4, double %v5, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_or_olt_ogt_ueq: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d2, d3, #0, pl ; CHECK-NEXT: fccmp d4, d5, #4, le ; CHECK-NEXT: fccmp d4, d5, #1, ne ; CHECK-NEXT: csel w0, w0, w1, vs ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_or_olt_ogt_ueq: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d2, d3, #0, pl ; GISEL-NEXT: fccmp d4, d5, #4, le ; GISEL-NEXT: fccmp d4, d5, #1, ne ; GISEL-NEXT: csel w0, w0, w1, vs ; GISEL-NEXT: ret %c0 = fcmp olt double %v0, %v1 %c1 = fcmp ogt double %v2, %v3 %c2 = fcmp ueq double %v4, %v5 %c3 = or i1 %c1, %c0 %cr = or i1 %c2, %c3 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @select_or_olt_ueq_ogt(double %v0, double %v1, double %v2, double %v3, double %v4, double %v5, i32 %a, i32 %b) #0 { ; CHECK-LABEL: select_or_olt_ueq_ogt: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcmp d0, d1 ; CHECK-NEXT: fccmp d2, d3, #4, pl ; CHECK-NEXT: fccmp d2, d3, #1, ne ; CHECK-NEXT: fccmp d4, d5, #0, vc ; CHECK-NEXT: csel w0, w0, w1, gt ; CHECK-NEXT: ret ; ; GISEL-LABEL: select_or_olt_ueq_ogt: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcmp d0, d1 ; GISEL-NEXT: fccmp d2, d3, #4, pl ; GISEL-NEXT: fccmp d2, d3, #1, ne ; GISEL-NEXT: fccmp d4, d5, #0, vc ; GISEL-NEXT: csel w0, w0, w1, gt ; GISEL-NEXT: ret %c0 = fcmp olt double %v0, %v1 %c1 = fcmp ueq double %v2, %v3 %c2 = fcmp ogt double %v4, %v5 %c3 = or i1 %c1, %c0 %cr = or i1 %c2, %c3 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } ; Verify that we correctly promote f16. define i32 @half_select_and_olt_oge(half %v0, half %v1, half %v2, half %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: half_select_and_olt_oge: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcvt s1, h1 ; CHECK-NEXT: fcvt s0, h0 ; CHECK-NEXT: fcmp s0, s1 ; CHECK-NEXT: fcvt s0, h3 ; CHECK-NEXT: fcvt s1, h2 ; CHECK-NEXT: fccmp s1, s0, #8, mi ; CHECK-NEXT: csel w0, w0, w1, ge ; CHECK-NEXT: ret ; ; GISEL-LABEL: half_select_and_olt_oge: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcvt s0, h0 ; GISEL-NEXT: fcvt s1, h1 ; GISEL-NEXT: fcvt s2, h2 ; GISEL-NEXT: fcvt s3, h3 ; GISEL-NEXT: fcmp s0, s1 ; GISEL-NEXT: fccmp s2, s3, #8, mi ; GISEL-NEXT: csel w0, w0, w1, ge ; GISEL-NEXT: ret %c0 = fcmp olt half %v0, %v1 %c1 = fcmp oge half %v2, %v3 %cr = and i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } define i32 @half_select_and_olt_one(half %v0, half %v1, half %v2, half %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: half_select_and_olt_one: ; CHECK: ; %bb.0: ; CHECK-NEXT: fcvt s1, h1 ; CHECK-NEXT: fcvt s0, h0 ; CHECK-NEXT: fcmp s0, s1 ; CHECK-NEXT: fcvt s0, h3 ; CHECK-NEXT: fcvt s1, h2 ; CHECK-NEXT: fccmp s1, s0, #4, mi ; CHECK-NEXT: fccmp s1, s0, #1, ne ; CHECK-NEXT: csel w0, w0, w1, vc ; CHECK-NEXT: ret ; ; GISEL-LABEL: half_select_and_olt_one: ; GISEL: ; %bb.0: ; GISEL-NEXT: fcvt s0, h0 ; GISEL-NEXT: fcvt s1, h1 ; GISEL-NEXT: fcvt s2, h2 ; GISEL-NEXT: fcvt s3, h3 ; GISEL-NEXT: fcmp s0, s1 ; GISEL-NEXT: fccmp s2, s3, #4, mi ; GISEL-NEXT: fccmp s2, s3, #1, ne ; GISEL-NEXT: csel w0, w0, w1, vc ; GISEL-NEXT: ret %c0 = fcmp olt half %v0, %v1 %c1 = fcmp one half %v2, %v3 %cr = and i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } ; Also verify that we don't try to generate f128 FCCMPs, using RT calls instead. define i32 @f128_select_and_olt_oge(fp128 %v0, fp128 %v1, fp128 %v2, fp128 %v3, i32 %a, i32 %b) #0 { ; CHECK-LABEL: f128_select_and_olt_oge: ; CHECK: ; %bb.0: ; CHECK-NEXT: sub sp, sp, #80 ; CHECK-NEXT: stp x22, x21, [sp, #32] ; 16-byte Folded Spill ; CHECK-NEXT: stp x20, x19, [sp, #48] ; 16-byte Folded Spill ; CHECK-NEXT: stp x29, x30, [sp, #64] ; 16-byte Folded Spill ; CHECK-NEXT: mov x19, x1 ; CHECK-NEXT: mov x20, x0 ; CHECK-NEXT: stp q2, q3, [sp] ; 32-byte Folded Spill ; CHECK-NEXT: bl ___lttf2 ; CHECK-NEXT: cmp w0, #0 ; CHECK-NEXT: cset w21, lt ; CHECK-NEXT: ldp q0, q1, [sp] ; 32-byte Folded Reload ; CHECK-NEXT: bl ___getf2 ; CHECK-NEXT: cmp w0, #0 ; CHECK-NEXT: cset w8, ge ; CHECK-NEXT: tst w8, w21 ; CHECK-NEXT: csel w0, w20, w19, ne ; CHECK-NEXT: ldp x29, x30, [sp, #64] ; 16-byte Folded Reload ; CHECK-NEXT: ldp x20, x19, [sp, #48] ; 16-byte Folded Reload ; CHECK-NEXT: ldp x22, x21, [sp, #32] ; 16-byte Folded Reload ; CHECK-NEXT: add sp, sp, #80 ; CHECK-NEXT: ret ; ; GISEL-LABEL: f128_select_and_olt_oge: ; GISEL: ; %bb.0: ; GISEL-NEXT: sub sp, sp, #80 ; GISEL-NEXT: stp x22, x21, [sp, #32] ; 16-byte Folded Spill ; GISEL-NEXT: stp x20, x19, [sp, #48] ; 16-byte Folded Spill ; GISEL-NEXT: stp x29, x30, [sp, #64] ; 16-byte Folded Spill ; GISEL-NEXT: mov x19, x1 ; GISEL-NEXT: mov x20, x0 ; GISEL-NEXT: stp q2, q3, [sp] ; 32-byte Folded Spill ; GISEL-NEXT: bl ___lttf2 ; GISEL-NEXT: cmp w0, #0 ; GISEL-NEXT: cset w21, lt ; GISEL-NEXT: ldp q0, q1, [sp] ; 32-byte Folded Reload ; GISEL-NEXT: bl ___getf2 ; GISEL-NEXT: cmp w0, #0 ; GISEL-NEXT: cset w8, ge ; GISEL-NEXT: tst w8, w21 ; GISEL-NEXT: csel w0, w20, w19, ne ; GISEL-NEXT: ldp x29, x30, [sp, #64] ; 16-byte Folded Reload ; GISEL-NEXT: ldp x20, x19, [sp, #48] ; 16-byte Folded Reload ; GISEL-NEXT: ldp x22, x21, [sp, #32] ; 16-byte Folded Reload ; GISEL-NEXT: add sp, sp, #80 ; GISEL-NEXT: ret %c0 = fcmp olt fp128 %v0, %v1 %c1 = fcmp oge fp128 %v2, %v3 %cr = and i1 %c1, %c0 %sel = select i1 %cr, i32 %a, i32 %b ret i32 %sel } ; This testcase resembles the core problem of http://llvm.org/PR39550 ; (an OR operation is 2 levels deep but needs to be implemented first) define i32 @deep_or(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %x, i32 %y) { ; CHECK-LABEL: deep_or: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w2, #20 ; CHECK-NEXT: ccmp w2, #15, #4, ne ; CHECK-NEXT: ccmp w1, #0, #4, eq ; CHECK-NEXT: ccmp w0, #0, #4, ne ; CHECK-NEXT: csel w0, w4, w5, ne ; CHECK-NEXT: ret ; ; GISEL-LABEL: deep_or: ; GISEL: ; %bb.0: ; GISEL-NEXT: mov w8, #15 ; GISEL-NEXT: cmp w2, #20 ; GISEL-NEXT: ccmp w2, w8, #4, ne ; GISEL-NEXT: ccmp w1, wzr, #4, eq ; GISEL-NEXT: ccmp w0, wzr, #4, ne ; GISEL-NEXT: csel w0, w4, w5, ne ; GISEL-NEXT: ret %c0 = icmp ne i32 %a0, 0 %c1 = icmp ne i32 %a1, 0 %c2 = icmp eq i32 %a2, 15 %c3 = icmp eq i32 %a2, 20 %or = or i1 %c2, %c3 %and0 = and i1 %or, %c1 %and1 = and i1 %and0, %c0 %sel = select i1 %and1, i32 %x, i32 %y ret i32 %sel } ; Variation of deep_or, we still need to implement the OR first though. define i32 @deep_or1(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %x, i32 %y) { ; CHECK-LABEL: deep_or1: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w2, #20 ; CHECK-NEXT: ccmp w2, #15, #4, ne ; CHECK-NEXT: ccmp w0, #0, #4, eq ; CHECK-NEXT: ccmp w1, #0, #4, ne ; CHECK-NEXT: csel w0, w4, w5, ne ; CHECK-NEXT: ret ; ; GISEL-LABEL: deep_or1: ; GISEL: ; %bb.0: ; GISEL-NEXT: mov w8, #15 ; GISEL-NEXT: cmp w2, #20 ; GISEL-NEXT: ccmp w2, w8, #4, ne ; GISEL-NEXT: ccmp w0, wzr, #4, eq ; GISEL-NEXT: ccmp w1, wzr, #4, ne ; GISEL-NEXT: csel w0, w4, w5, ne ; GISEL-NEXT: ret %c0 = icmp ne i32 %a0, 0 %c1 = icmp ne i32 %a1, 0 %c2 = icmp eq i32 %a2, 15 %c3 = icmp eq i32 %a2, 20 %or = or i1 %c2, %c3 %and0 = and i1 %c0, %or %and1 = and i1 %and0, %c1 %sel = select i1 %and1, i32 %x, i32 %y ret i32 %sel } ; Variation of deep_or, we still need to implement the OR first though. define i32 @deep_or2(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %x, i32 %y) { ; CHECK-LABEL: deep_or2: ; CHECK: ; %bb.0: ; CHECK-NEXT: cmp w2, #20 ; CHECK-NEXT: ccmp w2, #15, #4, ne ; CHECK-NEXT: ccmp w1, #0, #4, eq ; CHECK-NEXT: ccmp w0, #0, #4, ne ; CHECK-NEXT: csel w0, w4, w5, ne ; CHECK-NEXT: ret ; ; GISEL-LABEL: deep_or2: ; GISEL: ; %bb.0: ; GISEL-NEXT: mov w8, #15 ; GISEL-NEXT: cmp w2, #20 ; GISEL-NEXT: ccmp w2, w8, #4, ne ; GISEL-NEXT: ccmp w1, wzr, #4, eq ; GISEL-NEXT: ccmp w0, wzr, #4, ne ; GISEL-NEXT: csel w0, w4, w5, ne ; GISEL-NEXT: ret %c0 = icmp ne i32 %a0, 0 %c1 = icmp ne i32 %a1, 0 %c2 = icmp eq i32 %a2, 15 %c3 = icmp eq i32 %a2, 20 %or = or i1 %c2, %c3 %and0 = and i1 %c0, %c1 %and1 = and i1 %and0, %or %sel = select i1 %and1, i32 %x, i32 %y ret i32 %sel } ; This test is trying to test that multiple ccmp's don't get created in a way ; that they would have multiple uses. It doesn't seem to. define i32 @multiccmp(i32 %s0, i32 %s1, i32 %s2, i32 %s3, i32 %x, i32 %y) #0 { ; CHECK-LABEL: multiccmp: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: stp x22, x21, [sp, #-48]! ; 16-byte Folded Spill ; CHECK-NEXT: stp x20, x19, [sp, #16] ; 16-byte Folded Spill ; CHECK-NEXT: stp x29, x30, [sp, #32] ; 16-byte Folded Spill ; CHECK-NEXT: mov x19, x5 ; CHECK-NEXT: cmp w0, w1 ; CHECK-NEXT: cset w20, gt ; CHECK-NEXT: cmp w2, w3 ; CHECK-NEXT: cset w21, ne ; CHECK-NEXT: tst w20, w21 ; CHECK-NEXT: csel w0, w5, w4, ne ; CHECK-NEXT: bl _callee ; CHECK-NEXT: tst w20, w21 ; CHECK-NEXT: csel w0, w0, w19, ne ; CHECK-NEXT: bl _callee ; CHECK-NEXT: ldp x29, x30, [sp, #32] ; 16-byte Folded Reload ; CHECK-NEXT: ldp x20, x19, [sp, #16] ; 16-byte Folded Reload ; CHECK-NEXT: ldp x22, x21, [sp], #48 ; 16-byte Folded Reload ; CHECK-NEXT: ret ; ; GISEL-LABEL: multiccmp: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: stp x20, x19, [sp, #-32]! ; 16-byte Folded Spill ; GISEL-NEXT: stp x29, x30, [sp, #16] ; 16-byte Folded Spill ; GISEL-NEXT: mov x19, x5 ; GISEL-NEXT: cmp w0, w1 ; GISEL-NEXT: cset w8, gt ; GISEL-NEXT: cmp w2, w3 ; GISEL-NEXT: cset w9, ne ; GISEL-NEXT: and w20, w8, w9 ; GISEL-NEXT: tst w20, #0x1 ; GISEL-NEXT: csel w0, w5, w4, ne ; GISEL-NEXT: bl _callee ; GISEL-NEXT: tst w20, #0x1 ; GISEL-NEXT: csel w0, w0, w19, ne ; GISEL-NEXT: bl _callee ; GISEL-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload ; GISEL-NEXT: ldp x20, x19, [sp], #32 ; 16-byte Folded Reload ; GISEL-NEXT: ret entry: %c0 = icmp sgt i32 %s0, %s1 %c1 = icmp ne i32 %s2, %s3 %a = and i1 %c0, %c1 %s = select i1 %a, i32 %y, i32 %x %o = call i32 @callee(i32 %s) %z1 = select i1 %a, i32 %o, i32 %y %p = call i32 @callee(i32 %z1) ret i32 %p } define i32 @multiccmp2(i32 %s0, i32 %s1, i32 %s2, i32 %s3, i32 %x, i32 %y) #0 { ; CHECK-LABEL: multiccmp2: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: stp x22, x21, [sp, #-48]! ; 16-byte Folded Spill ; CHECK-NEXT: stp x20, x19, [sp, #16] ; 16-byte Folded Spill ; CHECK-NEXT: stp x29, x30, [sp, #32] ; 16-byte Folded Spill ; CHECK-NEXT: mov x19, x5 ; CHECK-NEXT: mov x20, x3 ; CHECK-NEXT: mov x21, x0 ; CHECK-NEXT: cmp w0, w1 ; CHECK-NEXT: cset w8, gt ; CHECK-NEXT: cmp w2, w3 ; CHECK-NEXT: cset w22, ne ; CHECK-NEXT: tst w8, w22 ; CHECK-NEXT: csel w0, w5, w4, ne ; CHECK-NEXT: bl _callee ; CHECK-NEXT: cmp w21, w20 ; CHECK-NEXT: cset w8, eq ; CHECK-NEXT: tst w22, w8 ; CHECK-NEXT: csel w0, w0, w19, ne ; CHECK-NEXT: bl _callee ; CHECK-NEXT: ldp x29, x30, [sp, #32] ; 16-byte Folded Reload ; CHECK-NEXT: ldp x20, x19, [sp, #16] ; 16-byte Folded Reload ; CHECK-NEXT: ldp x22, x21, [sp], #48 ; 16-byte Folded Reload ; CHECK-NEXT: ret ; ; GISEL-LABEL: multiccmp2: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: stp x22, x21, [sp, #-48]! ; 16-byte Folded Spill ; GISEL-NEXT: stp x20, x19, [sp, #16] ; 16-byte Folded Spill ; GISEL-NEXT: stp x29, x30, [sp, #32] ; 16-byte Folded Spill ; GISEL-NEXT: mov x19, x0 ; GISEL-NEXT: mov x20, x3 ; GISEL-NEXT: mov x21, x5 ; GISEL-NEXT: cmp w0, w1 ; GISEL-NEXT: cset w8, gt ; GISEL-NEXT: cmp w2, w3 ; GISEL-NEXT: cset w22, ne ; GISEL-NEXT: and w8, w8, w22 ; GISEL-NEXT: tst w8, #0x1 ; GISEL-NEXT: csel w0, w5, w4, ne ; GISEL-NEXT: bl _callee ; GISEL-NEXT: cmp w19, w20 ; GISEL-NEXT: cset w8, eq ; GISEL-NEXT: and w8, w22, w8 ; GISEL-NEXT: tst w8, #0x1 ; GISEL-NEXT: csel w0, w0, w21, ne ; GISEL-NEXT: bl _callee ; GISEL-NEXT: ldp x29, x30, [sp, #32] ; 16-byte Folded Reload ; GISEL-NEXT: ldp x20, x19, [sp, #16] ; 16-byte Folded Reload ; GISEL-NEXT: ldp x22, x21, [sp], #48 ; 16-byte Folded Reload ; GISEL-NEXT: ret entry: %c0 = icmp sgt i32 %s0, %s1 %c1 = icmp ne i32 %s2, %s3 %a = and i1 %c0, %c1 %z = zext i1 %a to i32 %s = select i1 %a, i32 %y, i32 %x %o = call i32 @callee(i32 %s) %c2 = icmp eq i32 %s0, %s3 %a1 = and i1 %c1, %c2 %z1 = select i1 %a1, i32 %o, i32 %y %p = call i32 @callee(i32 %z1) ret i32 %p } declare i32 @callee(i32) attributes #0 = { nounwind }