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[x86, AVX] tighten checks
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258828 91177308-0d34-0410-b5e6-96231b3b80d8
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rotateright committed Jan 26, 2016
1 parent c46572c commit c853b6c
Showing 1 changed file with 59 additions and 26 deletions.
85 changes: 59 additions & 26 deletions test/CodeGen/X86/avx-basic.ll
Original file line number Diff line number Diff line change
@@ -1,30 +1,44 @@
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=avx | FileCheck %s

@x = common global <8 x float> zeroinitializer, align 32
@y = common global <4 x double> zeroinitializer, align 32
@z = common global <4 x float> zeroinitializer, align 16

define void @zero128() nounwind ssp {
entry:
; CHECK: vxorps
; CHECK: vmovaps
; CHECK-LABEL: zero128:
; CHECK: ## BB#0:
; CHECK-NEXT: vxorps %xmm0, %xmm0, %xmm0
; CHECK-NEXT: movq _z@{{.*}}(%rip), %rax
; CHECK-NEXT: vmovaps %xmm0, (%rax)
; CHECK-NEXT: retq
store <4 x float> zeroinitializer, <4 x float>* @z, align 16
ret void
}

define void @zero256() nounwind ssp {
entry:
; CHECK: vxorps
; CHECK: vmovaps
; CHECK: vmovaps
; CHECK-LABEL: zero256:
; CHECK: ## BB#0:
; CHECK-NEXT: vxorps %ymm0, %ymm0, %ymm0
; CHECK-NEXT: movq _x@{{.*}}(%rip), %rax
; CHECK-NEXT: vmovaps %ymm0, (%rax)
; CHECK-NEXT: movq _y@{{.*}}(%rip), %rax
; CHECK-NEXT: vmovaps %ymm0, (%rax)
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
store <8 x float> zeroinitializer, <8 x float>* @x, align 32
store <4 x double> zeroinitializer, <4 x double>* @y, align 32
ret void
}

; CHECK: vpcmpeqd
; CHECK: vinsertf128 $1
define void @ones([0 x float]* nocapture %RET, [0 x float]* nocapture %aFOO) nounwind {
; CHECK-LABEL: ones:
; CHECK: ## BB#0: ## %allocas
; CHECK-NEXT: vpcmpeqd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; CHECK-NEXT: vmovaps %ymm0, (%rdi)
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
allocas:
%ptr2vec615 = bitcast [0 x float]* %RET to <8 x float>*
store <8 x float> <float 0xFFFFFFFFE0000000, float 0xFFFFFFFFE0000000, float
Expand All @@ -34,28 +48,37 @@ float>* %ptr2vec615, align 32
ret void
}

; CHECK: vpcmpeqd
; CHECK: vinsertf128 $1
define void @ones2([0 x i32]* nocapture %RET, [0 x i32]* nocapture %aFOO) nounwind {
; CHECK-LABEL: ones2:
; CHECK: ## BB#0: ## %allocas
; CHECK-NEXT: vpcmpeqd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; CHECK-NEXT: vmovaps %ymm0, (%rdi)
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
allocas:
%ptr2vec615 = bitcast [0 x i32]* %RET to <8 x i32>*
store <8 x i32> <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>, <8 x i32>* %ptr2vec615, align 32
ret void
}

;;; Just make sure this doesn't crash
; CHECK: _ISelCrash
define <4 x i64> @ISelCrash(<4 x i64> %a) nounwind uwtable readnone ssp {
entry:
; CHECK-LABEL: ISelCrash:
; CHECK: ## BB#0:
; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0
; CHECK-NEXT: retq
%shuffle = shufflevector <4 x i64> %a, <4 x i64> undef, <4 x i32> <i32 2, i32 3, i32 4, i32 4>
ret <4 x i64> %shuffle
}

;;; Don't crash on movd
; CHECK: _VMOVZQI2PQI
; CHECK: vmovd (%
define <8 x i32> @VMOVZQI2PQI([0 x float]* nocapture %aFOO) nounwind {
allocas:
; CHECK-LABEL: VMOVZQI2PQI:
; CHECK: ## BB#0:
; CHECK-NEXT: vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,1,1]
; CHECK-NEXT: retq
%ptrcast.i33.i = bitcast [0 x float]* %aFOO to i32*
%val.i34.i = load i32, i32* %ptrcast.i33.i, align 4
%ptroffset.i22.i992 = getelementptr [0 x float], [0 x float]* %aFOO, i64 0, i64 1
Expand All @@ -67,35 +90,45 @@ allocas:

;;;; Don't crash on fneg
; rdar://10566486
; CHECK: fneg
; CHECK: vxorps
define <16 x float> @fneg(<16 x float> %a) nounwind {
; CHECK-LABEL: fneg:
; CHECK: ## BB#0:
; CHECK-NEXT: vmovaps {{.*#+}} ymm2 = [2147483648,2147483648,2147483648,2147483648,2147483648,2147483648,2147483648,2147483648]
; CHECK-NEXT: vxorps %ymm2, %ymm0, %ymm0
; CHECK-NEXT: vxorps %ymm2, %ymm1, %ymm1
; CHECK-NEXT: retq
%1 = fsub <16 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %a
ret <16 x float> %1
}

;;; Don't crash on build vector
; CHECK: @build_vec_16x16
; CHECK: vmovd
define <16 x i16> @build_vec_16x16(i16 %a) nounwind readonly {
; CHECK-LABEL: build_vec_16x16:
; CHECK: ## BB#0:
; CHECK-NEXT: movzwl %di, %eax
; CHECK-NEXT: vmovd %eax, %xmm0
; CHECK-NEXT: retq
%res = insertelement <16 x i16> <i16 undef, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>, i16 %a, i32 0
ret <16 x i16> %res
}

;;; Check that VMOVPQIto64rr generates the assembly string "vmovq". Previously
;;; an incorrect mnemonic of "movd" was printed for this instruction.
; CHECK: VMOVPQIto64rr
; CHECK: vmovq
define i64 @VMOVPQIto64rr(<2 x i64> %a) {
entry:
; CHECK-LABEL: VMOVPQIto64rr:
; CHECK: ## BB#0:
; CHECK-NEXT: vmovq %xmm0, %rax
; CHECK-NEXT: retq
%vecext.i = extractelement <2 x i64> %a, i32 0
ret i64 %vecext.i
}

; PR22685
; CHECK: mov00
; CHECK: vmovss
define <8 x float> @mov00_8f32(float* %ptr) {
; CHECK-LABEL: mov00_8f32:
; CHECK: ## BB#0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: retq
%val = load float, float* %ptr
%vec = insertelement <8 x float> zeroinitializer, float %val, i32 0
ret <8 x float> %vec
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