; RUN: llc -O3 -disable-peephole -mcpu=corei7-avx -mattr=+avx < %s | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-unknown" ; pr18846 - needless avx spill/reload ; Test for unnecessary repeated spills due to eliminateRedundantSpills failing ; to recognise unaligned ymm load/stores to the stack. ; Bugpoint reduced testcase. ;CHECK-LABEL: _Z16opt_kernel_cachePfS_S_ ;CHECK-NOT: vmovups {{.*#+}} 32-byte Folded Spill ;CHECK-NOT: vmovups {{.*#+}} 32-byte Folded Reload ; Function Attrs: uwtable define void @_Z16opt_kernel_cachePfS_S_() #0 { entry: br label %for.body29 for.body29: ; preds = %for.body29, %entry br i1 undef, label %for.body29, label %for.body65 for.body65: ; preds = %for.body29 %0 = load float, ptr undef, align 4, !tbaa !1 %vecinit7.i4448 = insertelement <8 x float> undef, float %0, i32 7 %1 = load float, ptr null, align 4, !tbaa !1 %vecinit7.i4304 = insertelement <8 x float> undef, float %1, i32 7 %2 = load float, ptr undef, align 4, !tbaa !1 %vecinit7.i4196 = insertelement <8 x float> undef, float %2, i32 7 %3 = or i64 0, 16 %add.ptr111.sum4096 = add i64 %3, 0 %4 = load <8 x float>, ptr null, align 16, !tbaa !5 %add.ptr162 = getelementptr inbounds [65536 x float], ptr null, i64 0, i64 %add.ptr111.sum4096 %5 = load <8 x float>, ptr %add.ptr162, align 16, !tbaa !5 %add.ptr158.sum40975066 = or i64 %add.ptr111.sum4096, 8 %add.ptr183 = getelementptr inbounds [65536 x float], ptr null, i64 0, i64 %add.ptr158.sum40975066 %6 = load <8 x float>, ptr %add.ptr183, align 16, !tbaa !5 %add.ptr200.sum40995067 = or i64 undef, 8 %add.ptr225 = getelementptr inbounds [65536 x float], ptr null, i64 0, i64 %add.ptr200.sum40995067 %7 = load <8 x float>, ptr %add.ptr225, align 4, !tbaa !5 %8 = load <8 x float>, ptr undef, align 16, !tbaa !5 %add.ptr242.sum41015068 = or i64 0, 8 %add.ptr267 = getelementptr inbounds [65536 x float], ptr null, i64 0, i64 %add.ptr242.sum41015068 %9 = load <8 x float>, ptr %add.ptr267, align 4, !tbaa !5 %mul.i4690 = fmul <8 x float> %7, undef %add.i4665 = fadd <8 x float> undef, undef %mul.i4616 = fmul <8 x float> %8, undef %mul.i4598 = fmul <8 x float> undef, undef %add.i4597 = fadd <8 x float> undef, %mul.i4598 %mul.i4594 = fmul <8 x float> %6, undef %add.i4593 = fadd <8 x float> undef, %mul.i4594 %mul.i4578 = fmul <8 x float> %9, undef %add.i4577 = fadd <8 x float> %add.i4593, %mul.i4578 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4577) #1 %10 = load <8 x float>, ptr null, align 16, !tbaa !5 %11 = load <8 x float>, ptr undef, align 16, !tbaa !5 %mul.i4564 = fmul <8 x float> %4, undef %add.i4563 = fadd <8 x float> %10, %mul.i4564 %mul.i4560 = fmul <8 x float> %5, undef %add.i4559 = fadd <8 x float> %11, %mul.i4560 %add.i4547 = fadd <8 x float> %add.i4563, undef %mul.i4546 = fmul <8 x float> %7, undef %add.i4545 = fadd <8 x float> undef, %mul.i4546 %mul.i4544 = fmul <8 x float> %8, undef %add.i4543 = fadd <8 x float> %add.i4559, %mul.i4544 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4547) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4545) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4543) #1 %add.i4455 = fadd <8 x float> undef, undef %mul.i4454 = fmul <8 x float> undef, undef %add.i4453 = fadd <8 x float> undef, %mul.i4454 %mul.i4440 = fmul <8 x float> zeroinitializer, %vecinit7.i4448 %add.i4439 = fadd <8 x float> %add.i4455, %mul.i4440 %mul.i4438 = fmul <8 x float> %7, %vecinit7.i4448 %add.i4437 = fadd <8 x float> %add.i4453, %mul.i4438 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4439) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4437) #1 %add.i4413 = fadd <8 x float> zeroinitializer, undef %mul.i4400 = fmul <8 x float> %8, undef %add.i4399 = fadd <8 x float> undef, %mul.i4400 %add.i4397 = fadd <8 x float> %add.i4413, zeroinitializer call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> zeroinitializer) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4399) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4397) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> undef) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> undef) #1 %mul.i4330 = fmul <8 x float> %7, undef %add.i4329 = fadd <8 x float> undef, %mul.i4330 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4329) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> undef) #1 %mul.i4312 = fmul <8 x float> %4, undef %add.i4311 = fadd <8 x float> undef, %mul.i4312 %mul.i4306 = fmul <8 x float> %6, undef %add.i4305 = fadd <8 x float> undef, %mul.i4306 %add.i4295 = fadd <8 x float> %add.i4311, undef %mul.i4294 = fmul <8 x float> %7, %vecinit7.i4304 %add.i4293 = fadd <8 x float> undef, %mul.i4294 %mul.i4292 = fmul <8 x float> %8, %vecinit7.i4304 %add.i4291 = fadd <8 x float> undef, %mul.i4292 %mul.i4290 = fmul <8 x float> %9, %vecinit7.i4304 %add.i4289 = fadd <8 x float> %add.i4305, %mul.i4290 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4295) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4293) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4291) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4289) #1 %12 = load <8 x float>, ptr undef, align 16, !tbaa !5 %mul.i4274 = fmul <8 x float> undef, undef %add.i4273 = fadd <8 x float> %12, %mul.i4274 %mul.i4258 = fmul <8 x float> %7, undef %add.i4257 = fadd <8 x float> %add.i4273, %mul.i4258 %mul.i4254 = fmul <8 x float> %9, undef %add.i4253 = fadd <8 x float> undef, %mul.i4254 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4257) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i4253) #1 %mul.i = fmul <8 x float> %9, %vecinit7.i4196 %add.i = fadd <8 x float> undef, %mul.i call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> zeroinitializer) #1 call void @llvm.x86.avx.storeu.ps.256(ptr undef, <8 x float> %add.i) #1 unreachable } ; Function Attrs: nounwind declare void @llvm.x86.avx.storeu.ps.256(ptr, <8 x float>) #1 attributes #0 = { uwtable "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { nounwind } !llvm.ident = !{!0} !0 = !{!"clang version 3.5 "} !1 = !{!2, !2, i64 0} !2 = !{!"float", !3, i64 0} !3 = !{!"omnipotent char", !4, i64 0} !4 = !{!"Simple C/C++ TBAA"} !5 = !{!3, !3, i64 0}