; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s ; ; Note: Print verbose stackmaps using -debug-only=stackmaps. ; CHECK-LABEL: .section __LLVM_STACKMAPS,__llvm_stackmaps ; CHECK-NEXT: __LLVM_StackMaps: ; Header ; CHECK-NEXT: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 0 ; Num Functions ; CHECK-NEXT: .long 17 ; Num LargeConstants ; CHECK-NEXT: .long 4 ; Num Callsites ; CHECK-NEXT: .long 21 ; Functions and stack size ; CHECK-NEXT: .quad _constantargs ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _osrinline ; CHECK-NEXT: .quad 24 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _osrcold ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _propertyRead ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _propertyWrite ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _jsVoidCall ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _jsIntCall ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _spilledValue ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _spilledStackMapValue ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _spillSubReg ; CHECK-NEXT: .quad 56 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _subRegOffset ; CHECK-NEXT: .quad 56 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _liveConstant ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _directFrameIdx ; CHECK-NEXT: .quad 56 ; CHECK-NEXT: .quad 2 ; CHECK-NEXT: .quad _longid ; CHECK-NEXT: .quad 8 ; CHECK-NEXT: .quad 4 ; CHECK-NEXT: .quad _clobberScratch ; CHECK-NEXT: .quad 56 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _needsStackRealignment ; CHECK-NEXT: .quad -1 ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .quad _floats ; CHECK-NEXT: .quad 24 ; CHECK-NEXT: .quad 1 ; Large Constants ; CHECK-NEXT: .quad 2147483648 ; CHECK-NEXT: .quad 4294967295 ; CHECK-NEXT: .quad 4294967296 ; CHECK-NEXT: .quad 4294967297 ; Callsites ; Constant arguments ; ; CHECK-NEXT: .quad 1 ; CHECK-NEXT: .long L{{.*}}-_constantargs ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 14 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long -1 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long -1 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 65536 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 2000000000 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 2147483647 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long -1 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long -1 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; LargeConstant at index 0 ; CHECK-NEXT: .byte 5 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; LargeConstant at index 1 ; CHECK-NEXT: .byte 5 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 1 ; LargeConstant at index 2 ; CHECK-NEXT: .byte 5 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 2 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long -1 ; SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 66 ; LargeConstant at index 3 ; CHECK-NEXT: .byte 5 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 3 define void @constantargs() { entry: %0 = inttoptr i64 12345 to ptr tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 15, ptr %0, i32 0, i16 65535, i16 -1, i32 65536, i32 2000000000, i32 2147483647, i32 -1, i32 4294967295, i32 4294967296, i64 2147483648, i64 4294967295, i64 4294967296, i64 -1, i128 66, i128 4294967297) ret void } ; Inline OSR Exit ; ; CHECK-LABEL: .long L{{.*}}-_osrinline ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 2 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 define void @osrinline(i64 %a, i64 %b) { entry: ; Runtime void->void call. call void inttoptr (i64 -559038737 to ptr)() ; Followed by inline OSR patchpoint with 12-byte shadow and 2 live vars. call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 12, i64 %a, i64 %b) ret void } ; Cold OSR Exit ; ; 2 live variables in register. ; ; CHECK-LABEL: .long L{{.*}}-_osrcold ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 2 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 define void @osrcold(i64 %a, i64 %b) { entry: %test = icmp slt i64 %a, %b br i1 %test, label %ret, label %cold cold: ; OSR patchpoint with 12-byte nop-slide and 2 live vars. %thunk = inttoptr i64 -559038737 to ptr call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 15, ptr %thunk, i32 0, i64 %a, i64 %b) unreachable ret: ret void } ; Property Read ; CHECK-LABEL: .long L{{.*}}-_propertyRead ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 2 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 define i64 @propertyRead(ptr %obj) { entry: %resolveRead = inttoptr i64 -559038737 to ptr %result = call anyregcc i64 (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 15, ptr %resolveRead, i32 1, ptr %obj) %add = add i64 %result, 3 ret i64 %add } ; Property Write ; CHECK-LABEL: .long L{{.*}}-_propertyWrite ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 2 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 define void @propertyWrite(i64 %dummy1, ptr %obj, i64 %dummy2, i64 %a) { entry: %resolveWrite = inttoptr i64 -559038737 to ptr call anyregcc void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 15, ptr %resolveWrite, i32 2, ptr %obj, i64 %a) ret void } ; Void JS Call ; ; 2 live variables in registers. ; ; CHECK-LABEL: .long L{{.*}}-_jsVoidCall ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 2 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 define void @jsVoidCall(i64 %dummy1, ptr %obj, i64 %arg, i64 %l1, i64 %l2) { entry: %resolveCall = inttoptr i64 -559038737 to ptr call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 15, ptr %resolveCall, i32 2, ptr %obj, i64 %arg, i64 %l1, i64 %l2) ret void } ; i64 JS Call ; ; 2 live variables in registers. ; ; CHECK-LABEL: .long L{{.*}}-_jsIntCall ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 2 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{[0-9]+}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 define i64 @jsIntCall(i64 %dummy1, ptr %obj, i64 %arg, i64 %l1, i64 %l2) { entry: %resolveCall = inttoptr i64 -559038737 to ptr %result = call i64 (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 15, ptr %resolveCall, i32 2, ptr %obj, i64 %arg, i64 %l1, i64 %l2) %add = add i64 %result, 3 ret i64 %add } ; Spilled stack map values. ; ; Verify 17 stack map entries. ; ; CHECK-LABEL: .long L{{.*}}-_spilledValue ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 17 ; ; Check that at least one is a spilled entry from RBP. ; Location: Indirect RBP + ... ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 6 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long define void @spilledValue(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) { entry: call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 11, i32 15, ptr null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) ret void } ; Spilled stack map values. ; ; Verify 17 stack map entries. ; ; CHECK-LABEL: .long L{{.*}}-_spilledStackMapValue ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 17 ; ; Check that at least one is a spilled entry from RBP. ; Location: Indirect RBP + ... ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 6 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long define webkit_jscc void @spilledStackMapValue(i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) { entry: call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 15, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) ret void } ; Spill a subregister stackmap operand. ; ; CHECK-LABEL: .long L{{.*}}-_spillSubReg ; CHECK-NEXT: .short 0 ; 4 locations ; CHECK-NEXT: .short 1 ; ; Check that the subregister operand is a 4-byte spill. ; Location: Indirect, 4-byte, RBP + ... ; CHECK: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 4 ; CHECK-NEXT: .short 6 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long define void @spillSubReg(i64 %arg) #0 { bb: br i1 undef, label %bb1, label %bb2 bb1: unreachable bb2: %tmp = load i64, ptr inttoptr (i64 140685446136880 to ptr) br i1 undef, label %bb16, label %bb17 bb16: unreachable bb17: %tmp32 = trunc i64 %tmp to i32 br i1 undef, label %bb60, label %bb61 bb60: tail call void asm sideeffect "nop", "~{ax},~{bx},~{cx},~{dx},~{bp},~{si},~{di},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() nounwind tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 13, i32 5, i32 %tmp32) unreachable bb61: unreachable } ; Map a single byte subregister. There is no DWARF register number, so ; we expect the register to be encoded with the proper size and spill offset. We don't know which ; ; CHECK-LABEL: .long L{{.*}}-_subRegOffset ; CHECK-NEXT: .short 0 ; 2 locations ; CHECK-NEXT: .short 2 ; ; Check that the subregister operands are 1-byte spills. ; Location 0: Register, 4-byte, AL ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 1 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; ; Location 1: Register, 4-byte, BL ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 1 ; CHECK-NEXT: .short 3 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 define void @subRegOffset(i16 %arg) { %v = mul i16 %arg, 5 %a0 = trunc i16 %v to i8 tail call void asm sideeffect "nop", "~{bx}"() nounwind %arghi = lshr i16 %v, 8 %a1 = trunc i16 %arghi to i8 tail call void asm sideeffect "nop", "~{cx},~{dx},~{bp},~{si},~{di},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() nounwind tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 5, i8 %a0, i8 %a1) ret void } ; Map a constant value. ; ; CHECK-LABEL: .long L{{.*}}-_liveConstant ; CHECK-NEXT: .short 0 ; 1 location ; CHECK-NEXT: .short 1 ; Loc 0: SmallConstant ; CHECK-NEXT: .byte 4 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 33 define void @liveConstant() { tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 5, i32 33) ret void } ; Directly map an alloca's address. ; ; Callsite 16 ; CHECK-LABEL: .long L{{.*}}-_directFrameIdx ; CHECK-NEXT: .short 0 ; 1 location ; CHECK-NEXT: .short 1 ; Loc 0: Direct RBP - ofs ; CHECK-NEXT: .byte 2 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 6 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long ; Callsite 17 ; CHECK-LABEL: .long L{{.*}}-_directFrameIdx ; CHECK-NEXT: .short 0 ; 2 locations ; CHECK-NEXT: .short 2 ; Loc 0: Direct RBP - ofs ; CHECK-NEXT: .byte 2 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 6 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long ; Loc 1: Direct RBP - ofs ; CHECK-NEXT: .byte 2 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short 6 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long define void @directFrameIdx() { entry: %metadata1 = alloca i64, i32 3, align 8 store i64 11, ptr %metadata1 store i64 12, ptr %metadata1 store i64 13, ptr %metadata1 call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0, ptr %metadata1) %metadata2 = alloca i8, i32 4, align 8 %metadata3 = alloca i16, i32 4, align 8 call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 17, i32 5, ptr null, i32 0, ptr %metadata2, ptr %metadata3) ret void } ; Test a 64-bit ID. ; ; CHECK: .quad 4294967295 ; CHECK-LABEL: .long L{{.*}}-_longid ; CHECK: .quad 4294967296 ; CHECK-LABEL: .long L{{.*}}-_longid ; CHECK: .quad 9223372036854775807 ; CHECK-LABEL: .long L{{.*}}-_longid ; CHECK: .quad -1 ; CHECK-LABEL: .long L{{.*}}-_longid define void @longid() { entry: tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967295, i32 0, ptr null, i32 0) tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967296, i32 0, ptr null, i32 0) tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 9223372036854775807, i32 0, ptr null, i32 0) tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 -1, i32 0, ptr null, i32 0) ret void } ; Map a value when R11 is the only free register. ; The scratch register should not be used for a live stackmap value. ; ; CHECK-LABEL: .long L{{.*}}-_clobberScratch ; CHECK-NEXT: .short 0 ; 1 location ; CHECK-NEXT: .short 1 ; Loc 0: Indirect fp - offset ; CHECK-NEXT: .byte 3 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 4 ; CHECK-NEXT: .short 6 ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long -{{[0-9]+}} define void @clobberScratch(i32 %a) { tail call void asm sideeffect "nop", "~{ax},~{bx},~{cx},~{dx},~{bp},~{si},~{di},~{r8},~{r9},~{r10},~{r12},~{r13},~{r14},~{r15}"() nounwind tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 8, i32 %a) ret void } ; A stack frame which needs to be realigned at runtime (to meet alignment ; criteria for values on the stack) does not have a fixed frame size. ; CHECK-LABEL: .long L{{.*}}-_needsStackRealignment ; CHECK-NEXT: .short 0 ; 0 locations ; CHECK-NEXT: .short 0 define void @needsStackRealignment() { %val = alloca i64, i32 3, align 128 tail call void (...) @escape_values(ptr %val) ; Note: Adding any non-constant to the stackmap would fail because we ; expected to be able to address off the frame pointer. In a realigned ; frame, we must use the stack pointer instead. This is a separate bug. tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0) ret void } declare void @escape_values(...) ; CHECK-LABEL: .long L{{.*}}-_floats ; CHECK-NEXT: .short 0 ; Num Locations ; CHECK-NEXT: .short 6 ; Loc 0: constant float stored to FP register ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 16 ; CHECK-NEXT: .short {{.*}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; Loc 0: constant double stored to FP register ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 16 ; CHECK-NEXT: .short {{.*}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; Loc 1: float value in FP register ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 16 ; CHECK-NEXT: .short {{.*}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; Loc 2: double value in FP register ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 16 ; CHECK-NEXT: .short {{.*}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long 0 ; Loc 3: float on stack ; CHECK-NEXT: .byte 2 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{.*}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long -{{.*}} ; Loc 4: double on stack ; CHECK-NEXT: .byte 2 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .short 8 ; CHECK-NEXT: .short {{.*}} ; CHECK-NEXT: .short 0 ; CHECK-NEXT: .long -{{.*}} define void @floats(float %f, double %g) { %ff = alloca float %gg = alloca double call void (i64, i32, ...) @llvm.experimental.stackmap(i64 888, i32 0, float 1.25, double 1.5, float %f, double %g, ptr %ff, ptr %gg) ret void } declare void @llvm.experimental.stackmap(i64, i32, ...) declare void @llvm.experimental.patchpoint.void(i64, i32, ptr, i32, ...) declare i64 @llvm.experimental.patchpoint.i64(i64, i32, ptr, i32, ...)