; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mcpu=nehalem | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.7" ; CHECK: f ; ; This function contains load / store / and operations that all can execute in ; any domain. The only domain-specific operation is the %add = shl... operation ; which is <4 x i32>. ; ; The paddd instruction can only influence the other operations through the loop ; back-edge. Check that everything is still moved into the integer domain. define void @f(ptr nocapture %p, i32 %n) nounwind uwtable ssp { ; CHECK-LABEL: f: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: addq $16, %rdi ; CHECK-NEXT: pxor %xmm1, %xmm1 ; CHECK-NEXT: movdqa {{.*#+}} xmm0 = [127,127,127,127] ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB0_1: ## %while.body ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: pand %xmm0, %xmm1 ; CHECK-NEXT: movdqa %xmm1, -16(%rdi) ; CHECK-NEXT: movdqa (%rdi), %xmm1 ; CHECK-NEXT: addq $16, %rdi ; CHECK-NEXT: paddd %xmm1, %xmm1 ; CHECK-NEXT: decl %esi ; CHECK-NEXT: jne LBB0_1 ; CHECK-NEXT: ## %bb.2: ## %while.end ; CHECK-NEXT: retq entry: br label %while.body ; Materialize a zeroinitializer and a constant-pool load in the integer domain. ; The order is not important. ; The instructions in the loop must all be integer domain as well. ; Finally, the controlling integer-only instruction. while.body: %p.addr.04 = phi ptr [ %incdec.ptr, %while.body ], [ %p, %entry ] %n.addr.03 = phi i32 [ %dec, %while.body ], [ %n, %entry ] %x.02 = phi <4 x i32> [ %add, %while.body ], [ zeroinitializer, %entry ] %dec = add nsw i32 %n.addr.03, -1 %and = and <4 x i32> %x.02, <i32 127, i32 127, i32 127, i32 127> %incdec.ptr = getelementptr inbounds <4 x i32>, ptr %p.addr.04, i64 1 store <4 x i32> %and, ptr %p.addr.04, align 16 %0 = load <4 x i32>, ptr %incdec.ptr, align 16 %add = shl <4 x i32> %0, <i32 1, i32 1, i32 1, i32 1> %tobool = icmp eq i32 %dec, 0 br i1 %tobool, label %while.end, label %while.body while.end: ret void }