From 6f775ba1884ee0df25e278d80e28c4c9cddb61f0 Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Tue, 25 Apr 2017 17:22:34 +0000 Subject: [PATCH] [X86][SSE] Add tests for PR14657 showing current codegen. llvm-svn: 301334 --- llvm/test/CodeGen/X86/pr14657.ll | 325 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 325 insertions(+) create mode 100644 llvm/test/CodeGen/X86/pr14657.ll diff --git a/llvm/test/CodeGen/X86/pr14657.ll b/llvm/test/CodeGen/X86/pr14657.ll new file mode 100644 index 0000000..cc7d3e0 --- /dev/null +++ b/llvm/test/CodeGen/X86/pr14657.ll @@ -0,0 +1,325 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE --check-prefix=SSE41 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2 + +; PR14657 - avoid truncation/extension of comparison results + +@da = common global [1024 x float] zeroinitializer, align 32 +@db = common global [1024 x float] zeroinitializer, align 32 +@dc = common global [1024 x float] zeroinitializer, align 32 +@dd = common global [1024 x float] zeroinitializer, align 32 +@dj = common global [1024 x i32] zeroinitializer, align 32 + +define void @_Z9example25v() nounwind uwtable noinline ssp { +; SSE2-LABEL: _Z9example25v: +; SSE2: # BB#0: # %vector.ph +; SSE2-NEXT: movq $-4096, %rax # imm = 0xF000 +; SSE2-NEXT: movdqa {{.*#+}} xmm0 = [1,1,1,1] +; SSE2-NEXT: .p2align 4, 0x90 +; SSE2-NEXT: .LBB0_1: # %vector.body +; SSE2-NEXT: # =>This Inner Loop Header: Depth=1 +; SSE2-NEXT: movaps da+4096(%rax), %xmm1 +; SSE2-NEXT: movaps da+4112(%rax), %xmm2 +; SSE2-NEXT: cmpltps db+4112(%rax), %xmm2 +; SSE2-NEXT: pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7] +; SSE2-NEXT: pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3] +; SSE2-NEXT: cmpltps db+4096(%rax), %xmm1 +; SSE2-NEXT: pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7] +; SSE2-NEXT: pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,6,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] +; SSE2-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0] +; SSE2-NEXT: psllw $15, %xmm1 +; SSE2-NEXT: psraw $15, %xmm1 +; SSE2-NEXT: movaps dc+4096(%rax), %xmm2 +; SSE2-NEXT: movaps dc+4112(%rax), %xmm3 +; SSE2-NEXT: cmpltps dd+4112(%rax), %xmm3 +; SSE2-NEXT: pshuflw {{.*#+}} xmm3 = xmm3[0,2,2,3,4,5,6,7] +; SSE2-NEXT: pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,4,6,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm3[0,2,2,3] +; SSE2-NEXT: cmpltps dd+4096(%rax), %xmm2 +; SSE2-NEXT: pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7] +; SSE2-NEXT: pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3] +; SSE2-NEXT: punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0] +; SSE2-NEXT: psllw $15, %xmm2 +; SSE2-NEXT: psraw $15, %xmm2 +; SSE2-NEXT: pand %xmm1, %xmm2 +; SSE2-NEXT: movdqa %xmm2, %xmm1 +; SSE2-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3] +; SSE2-NEXT: pand %xmm0, %xmm1 +; SSE2-NEXT: punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7] +; SSE2-NEXT: pand %xmm0, %xmm2 +; SSE2-NEXT: movdqa %xmm2, dj+4112(%rax) +; SSE2-NEXT: movdqa %xmm1, dj+4096(%rax) +; SSE2-NEXT: addq $32, %rax +; SSE2-NEXT: jne .LBB0_1 +; SSE2-NEXT: # BB#2: # %for.end +; SSE2-NEXT: retq +; +; SSE41-LABEL: _Z9example25v: +; SSE41: # BB#0: # %vector.ph +; SSE41-NEXT: movq $-4096, %rax # imm = 0xF000 +; SSE41-NEXT: movdqa {{.*#+}} xmm0 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] +; SSE41-NEXT: movdqa {{.*#+}} xmm1 = [1,1,1,1] +; SSE41-NEXT: .p2align 4, 0x90 +; SSE41-NEXT: .LBB0_1: # %vector.body +; SSE41-NEXT: # =>This Inner Loop Header: Depth=1 +; SSE41-NEXT: movaps da+4096(%rax), %xmm2 +; SSE41-NEXT: movaps da+4112(%rax), %xmm3 +; SSE41-NEXT: cmpltps db+4112(%rax), %xmm3 +; SSE41-NEXT: pshufb %xmm0, %xmm3 +; SSE41-NEXT: cmpltps db+4096(%rax), %xmm2 +; SSE41-NEXT: pshufb %xmm0, %xmm2 +; SSE41-NEXT: punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0] +; SSE41-NEXT: psllw $15, %xmm2 +; SSE41-NEXT: psraw $15, %xmm2 +; SSE41-NEXT: movaps dc+4096(%rax), %xmm3 +; SSE41-NEXT: movaps dc+4112(%rax), %xmm4 +; SSE41-NEXT: cmpltps dd+4112(%rax), %xmm4 +; SSE41-NEXT: pshufb %xmm0, %xmm4 +; SSE41-NEXT: cmpltps dd+4096(%rax), %xmm3 +; SSE41-NEXT: pshufb %xmm0, %xmm3 +; SSE41-NEXT: punpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0] +; SSE41-NEXT: psllw $15, %xmm3 +; SSE41-NEXT: psraw $15, %xmm3 +; SSE41-NEXT: pand %xmm2, %xmm3 +; SSE41-NEXT: pmovzxwd {{.*#+}} xmm2 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero +; SSE41-NEXT: pand %xmm1, %xmm2 +; SSE41-NEXT: punpckhwd {{.*#+}} xmm3 = xmm3[4],xmm0[4],xmm3[5],xmm0[5],xmm3[6],xmm0[6],xmm3[7],xmm0[7] +; SSE41-NEXT: pand %xmm1, %xmm3 +; SSE41-NEXT: movdqa %xmm3, dj+4112(%rax) +; SSE41-NEXT: movdqa %xmm2, dj+4096(%rax) +; SSE41-NEXT: addq $32, %rax +; SSE41-NEXT: jne .LBB0_1 +; SSE41-NEXT: # BB#2: # %for.end +; SSE41-NEXT: retq +; +; AVX1-LABEL: _Z9example25v: +; AVX1: # BB#0: # %vector.ph +; AVX1-NEXT: movq $-4096, %rax # imm = 0xF000 +; AVX1-NEXT: vmovaps {{.*#+}} ymm0 = [1,1,1,1,1,1,1,1] +; AVX1-NEXT: .p2align 4, 0x90 +; AVX1-NEXT: .LBB0_1: # %vector.body +; AVX1-NEXT: # =>This Inner Loop Header: Depth=1 +; AVX1-NEXT: vmovups da+4096(%rax), %ymm1 +; AVX1-NEXT: vcmpltps db+4096(%rax), %ymm1, %ymm1 +; AVX1-NEXT: vmovups dc+4096(%rax), %ymm2 +; AVX1-NEXT: vcmpltps dd+4096(%rax), %ymm2, %ymm2 +; AVX1-NEXT: vandps %ymm2, %ymm1, %ymm1 +; AVX1-NEXT: vandps %ymm0, %ymm1, %ymm1 +; AVX1-NEXT: vmovups %ymm1, dj+4096(%rax) +; AVX1-NEXT: addq $32, %rax +; AVX1-NEXT: jne .LBB0_1 +; AVX1-NEXT: # BB#2: # %for.end +; AVX1-NEXT: vzeroupper +; AVX1-NEXT: retq +; +; AVX2-LABEL: _Z9example25v: +; AVX2: # BB#0: # %vector.ph +; AVX2-NEXT: movq $-4096, %rax # imm = 0xF000 +; AVX2-NEXT: vbroadcastss {{.*}}(%rip), %ymm0 +; AVX2-NEXT: .p2align 4, 0x90 +; AVX2-NEXT: .LBB0_1: # %vector.body +; AVX2-NEXT: # =>This Inner Loop Header: Depth=1 +; AVX2-NEXT: vmovups da+4096(%rax), %ymm1 +; AVX2-NEXT: vcmpltps db+4096(%rax), %ymm1, %ymm1 +; AVX2-NEXT: vmovups dc+4096(%rax), %ymm2 +; AVX2-NEXT: vcmpltps dd+4096(%rax), %ymm2, %ymm2 +; AVX2-NEXT: vandps %ymm2, %ymm1, %ymm1 +; AVX2-NEXT: vandps %ymm0, %ymm1, %ymm1 +; AVX2-NEXT: vmovups %ymm1, dj+4096(%rax) +; AVX2-NEXT: addq $32, %rax +; AVX2-NEXT: jne .LBB0_1 +; AVX2-NEXT: # BB#2: # %for.end +; AVX2-NEXT: vzeroupper +; AVX2-NEXT: retq +vector.ph: + br label %vector.body + +vector.body: ; preds = %vector.body, %vector.ph + %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] + %0 = getelementptr inbounds [1024 x float], [1024 x float]* @da, i64 0, i64 %index + %1 = bitcast float* %0 to <8 x float>* + %2 = load <8 x float>, <8 x float>* %1, align 16 + %3 = getelementptr inbounds [1024 x float], [1024 x float]* @db, i64 0, i64 %index + %4 = bitcast float* %3 to <8 x float>* + %5 = load <8 x float>, <8 x float>* %4, align 16 + %6 = fcmp olt <8 x float> %2, %5 + %7 = getelementptr inbounds [1024 x float], [1024 x float]* @dc, i64 0, i64 %index + %8 = bitcast float* %7 to <8 x float>* + %9 = load <8 x float>, <8 x float>* %8, align 16 + %10 = getelementptr inbounds [1024 x float], [1024 x float]* @dd, i64 0, i64 %index + %11 = bitcast float* %10 to <8 x float>* + %12 = load <8 x float>, <8 x float>* %11, align 16 + %13 = fcmp olt <8 x float> %9, %12 + %14 = and <8 x i1> %6, %13 + %15 = zext <8 x i1> %14 to <8 x i32> + %16 = getelementptr inbounds [1024 x i32], [1024 x i32]* @dj, i64 0, i64 %index + %17 = bitcast i32* %16 to <8 x i32>* + store <8 x i32> %15, <8 x i32>* %17, align 16 + %index.next = add i64 %index, 8 + %18 = icmp eq i64 %index.next, 1024 + br i1 %18, label %for.end, label %vector.body + +for.end: ; preds = %vector.body + ret void +} + +define void @_Z9example24ss(i16 signext %x, i16 signext %y) nounwind uwtable noinline ssp { +; SSE2-LABEL: _Z9example24ss: +; SSE2: # BB#0: # %vector.ph +; SSE2-NEXT: movd %edi, %xmm0 +; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,0,1,1] +; SSE2-NEXT: movd %esi, %xmm1 +; SSE2-NEXT: pshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,0,1,1] +; SSE2-NEXT: movq $-4096, %rax # imm = 0xF000 +; SSE2-NEXT: .p2align 4, 0x90 +; SSE2-NEXT: .LBB1_1: # %vector.body +; SSE2-NEXT: # =>This Inner Loop Header: Depth=1 +; SSE2-NEXT: movaps da+4096(%rax), %xmm2 +; SSE2-NEXT: movaps da+4112(%rax), %xmm3 +; SSE2-NEXT: cmpltps db+4112(%rax), %xmm3 +; SSE2-NEXT: pshuflw {{.*#+}} xmm3 = xmm3[0,2,2,3,4,5,6,7] +; SSE2-NEXT: pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,4,6,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm3[0,2,2,3] +; SSE2-NEXT: cmpltps db+4096(%rax), %xmm2 +; SSE2-NEXT: pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7] +; SSE2-NEXT: pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3] +; SSE2-NEXT: punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0] +; SSE2-NEXT: movdqa %xmm0, %xmm3 +; SSE2-NEXT: pand %xmm2, %xmm3 +; SSE2-NEXT: pandn %xmm1, %xmm2 +; SSE2-NEXT: por %xmm3, %xmm2 +; SSE2-NEXT: punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1],xmm3[2],xmm2[2],xmm3[3],xmm2[3] +; SSE2-NEXT: psrad $16, %xmm3 +; SSE2-NEXT: punpckhwd {{.*#+}} xmm2 = xmm2[4,4,5,5,6,6,7,7] +; SSE2-NEXT: psrad $16, %xmm2 +; SSE2-NEXT: movdqa %xmm2, dj+4112(%rax) +; SSE2-NEXT: movdqa %xmm3, dj+4096(%rax) +; SSE2-NEXT: addq $32, %rax +; SSE2-NEXT: jne .LBB1_1 +; SSE2-NEXT: # BB#2: # %for.end +; SSE2-NEXT: retq +; +; SSE41-LABEL: _Z9example24ss: +; SSE41: # BB#0: # %vector.ph +; SSE41-NEXT: movd %edi, %xmm0 +; SSE41-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7] +; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,0,1,1] +; SSE41-NEXT: movd %esi, %xmm1 +; SSE41-NEXT: pshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7] +; SSE41-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,0,1,1] +; SSE41-NEXT: movq $-4096, %rax # imm = 0xF000 +; SSE41-NEXT: movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] +; SSE41-NEXT: .p2align 4, 0x90 +; SSE41-NEXT: .LBB1_1: # %vector.body +; SSE41-NEXT: # =>This Inner Loop Header: Depth=1 +; SSE41-NEXT: movaps da+4096(%rax), %xmm3 +; SSE41-NEXT: movaps da+4112(%rax), %xmm4 +; SSE41-NEXT: cmpltps db+4112(%rax), %xmm4 +; SSE41-NEXT: pshufb %xmm2, %xmm4 +; SSE41-NEXT: cmpltps db+4096(%rax), %xmm3 +; SSE41-NEXT: pshufb %xmm2, %xmm3 +; SSE41-NEXT: punpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0] +; SSE41-NEXT: movdqa %xmm0, %xmm4 +; SSE41-NEXT: pand %xmm3, %xmm4 +; SSE41-NEXT: pandn %xmm1, %xmm3 +; SSE41-NEXT: por %xmm4, %xmm3 +; SSE41-NEXT: pshufd {{.*#+}} xmm4 = xmm3[2,3,0,1] +; SSE41-NEXT: pmovsxwd %xmm4, %xmm4 +; SSE41-NEXT: pmovsxwd %xmm3, %xmm3 +; SSE41-NEXT: movdqa %xmm3, dj+4096(%rax) +; SSE41-NEXT: movdqa %xmm4, dj+4112(%rax) +; SSE41-NEXT: addq $32, %rax +; SSE41-NEXT: jne .LBB1_1 +; SSE41-NEXT: # BB#2: # %for.end +; SSE41-NEXT: retq +; +; AVX1-LABEL: _Z9example24ss: +; AVX1: # BB#0: # %vector.ph +; AVX1-NEXT: vmovd %edi, %xmm0 +; AVX1-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7] +; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,1,1] +; AVX1-NEXT: vmovd %esi, %xmm1 +; AVX1-NEXT: vpshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7] +; AVX1-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[0,0,1,1] +; AVX1-NEXT: movq $-4096, %rax # imm = 0xF000 +; AVX1-NEXT: .p2align 4, 0x90 +; AVX1-NEXT: .LBB1_1: # %vector.body +; AVX1-NEXT: # =>This Inner Loop Header: Depth=1 +; AVX1-NEXT: vmovups da+4096(%rax), %ymm2 +; AVX1-NEXT: vcmpltps db+4096(%rax), %ymm2, %ymm2 +; AVX1-NEXT: vextractf128 $1, %ymm2, %xmm3 +; AVX1-NEXT: vpacksswb %xmm3, %xmm2, %xmm2 +; AVX1-NEXT: vpandn %xmm1, %xmm2, %xmm3 +; AVX1-NEXT: vpand %xmm2, %xmm0, %xmm2 +; AVX1-NEXT: vpor %xmm3, %xmm2, %xmm2 +; AVX1-NEXT: vpmovsxwd %xmm2, %xmm3 +; AVX1-NEXT: vpshufd {{.*#+}} xmm2 = xmm2[2,3,0,1] +; AVX1-NEXT: vpmovsxwd %xmm2, %xmm2 +; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm3, %ymm2 +; AVX1-NEXT: vmovups %ymm2, dj+4096(%rax) +; AVX1-NEXT: addq $32, %rax +; AVX1-NEXT: jne .LBB1_1 +; AVX1-NEXT: # BB#2: # %for.end +; AVX1-NEXT: vzeroupper +; AVX1-NEXT: retq +; +; AVX2-LABEL: _Z9example24ss: +; AVX2: # BB#0: # %vector.ph +; AVX2-NEXT: vmovd %edi, %xmm0 +; AVX2-NEXT: vpbroadcastw %xmm0, %xmm0 +; AVX2-NEXT: vmovd %esi, %xmm1 +; AVX2-NEXT: vpbroadcastw %xmm1, %xmm1 +; AVX2-NEXT: movq $-4096, %rax # imm = 0xF000 +; AVX2-NEXT: .p2align 4, 0x90 +; AVX2-NEXT: .LBB1_1: # %vector.body +; AVX2-NEXT: # =>This Inner Loop Header: Depth=1 +; AVX2-NEXT: vmovups da+4096(%rax), %ymm2 +; AVX2-NEXT: vcmpltps db+4096(%rax), %ymm2, %ymm2 +; AVX2-NEXT: vextractf128 $1, %ymm2, %xmm3 +; AVX2-NEXT: vpacksswb %xmm3, %xmm2, %xmm2 +; AVX2-NEXT: vpandn %xmm1, %xmm2, %xmm3 +; AVX2-NEXT: vpand %xmm2, %xmm0, %xmm2 +; AVX2-NEXT: vpor %xmm3, %xmm2, %xmm2 +; AVX2-NEXT: vpmovsxwd %xmm2, %ymm2 +; AVX2-NEXT: vmovdqu %ymm2, dj+4096(%rax) +; AVX2-NEXT: addq $32, %rax +; AVX2-NEXT: jne .LBB1_1 +; AVX2-NEXT: # BB#2: # %for.end +; AVX2-NEXT: vzeroupper +; AVX2-NEXT: retq +vector.ph: + %0 = insertelement <8 x i16> undef, i16 %x, i32 0 + %broadcast11 = shufflevector <8 x i16> %0, <8 x i16> undef, <8 x i32> zeroinitializer + %1 = insertelement <8 x i16> undef, i16 %y, i32 0 + %broadcast12 = shufflevector <8 x i16> %1, <8 x i16> undef, <8 x i32> zeroinitializer + br label %vector.body + +vector.body: ; preds = %vector.body, %vector.ph + %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] + %2 = getelementptr inbounds [1024 x float], [1024 x float]* @da, i64 0, i64 %index + %3 = bitcast float* %2 to <8 x float>* + %4 = load <8 x float>, <8 x float>* %3, align 16 + %5 = getelementptr inbounds [1024 x float], [1024 x float]* @db, i64 0, i64 %index + %6 = bitcast float* %5 to <8 x float>* + %7 = load <8 x float>, <8 x float>* %6, align 16 + %8 = fcmp olt <8 x float> %4, %7 + %9 = select <8 x i1> %8, <8 x i16> %broadcast11, <8 x i16> %broadcast12 + %10 = sext <8 x i16> %9 to <8 x i32> + %11 = getelementptr inbounds [1024 x i32], [1024 x i32]* @dj, i64 0, i64 %index + %12 = bitcast i32* %11 to <8 x i32>* + store <8 x i32> %10, <8 x i32>* %12, align 16 + %index.next = add i64 %index, 8 + %13 = icmp eq i64 %index.next, 1024 + br i1 %13, label %for.end, label %vector.body + +for.end: ; preds = %vector.body + ret void +} -- 2.7.4