forked from OSchip/llvm-project
138 lines
5.4 KiB
LLVM
138 lines
5.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -instcombine -S < %s | FileCheck %s
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; CHECK-LABEL: good1
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; CHECK: %[[INS:.*]] = insertelement <4 x float> undef, float %arg, i32 0
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; CHECK-NEXT: %[[BCAST:.*]] = shufflevector <4 x float> %[[INS]], <4 x float> undef, <4 x i32> zeroinitializer
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; CHECK-NEXT: ret <4 x float> %[[BCAST]]
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define <4 x float> @good1(float %arg) {
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%tmp = insertelement <4 x float> undef, float %arg, i32 0
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%tmp4 = insertelement <4 x float> %tmp, float %arg, i32 1
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%tmp5 = insertelement <4 x float> %tmp4, float %arg, i32 2
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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ret <4 x float> %tmp6
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}
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; CHECK-LABEL: good2
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; CHECK: %[[INS:.*]] = insertelement <4 x float> undef, float %arg, i32 0
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; CHECK-NEXT: %[[BCAST:.*]] = shufflevector <4 x float> %[[INS]], <4 x float> undef, <4 x i32> zeroinitializer
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; CHECK-NEXT: ret <4 x float> %[[BCAST]]
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define <4 x float> @good2(float %arg) {
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%tmp = insertelement <4 x float> undef, float %arg, i32 1
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%tmp4 = insertelement <4 x float> %tmp, float %arg, i32 2
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%tmp5 = insertelement <4 x float> %tmp4, float %arg, i32 0
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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ret <4 x float> %tmp6
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}
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; CHECK-LABEL: good3
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; CHECK: %[[INS:.*]] = insertelement <4 x float> undef, float %arg, i32 0
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; CHECK-NEXT: %[[BCAST:.*]] = shufflevector <4 x float> %[[INS]], <4 x float> undef, <4 x i32> zeroinitializer
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; CHECK-NEXT: ret <4 x float> %[[BCAST]]
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define <4 x float> @good3(float %arg) {
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%tmp = insertelement <4 x float> zeroinitializer, float %arg, i32 0
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%tmp4 = insertelement <4 x float> %tmp, float %arg, i32 1
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%tmp5 = insertelement <4 x float> %tmp4, float %arg, i32 2
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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ret <4 x float> %tmp6
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}
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; CHECK-LABEL: good4
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; CHECK: %[[INS:.*]] = insertelement <4 x float> undef, float %arg, i32 0
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; CHECK-NEXT: %[[ADD:.*]] = fadd <4 x float> %[[INS]], %[[INS]]
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; CHECK-NEXT: %[[BCAST:.*]] = shufflevector <4 x float> %[[ADD]], <4 x float> undef, <4 x i32> zeroinitializer
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; CHECK-NEXT: ret <4 x float> %[[BCAST]]
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define <4 x float> @good4(float %arg) {
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%tmp = insertelement <4 x float> zeroinitializer, float %arg, i32 0
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%tmp4 = insertelement <4 x float> %tmp, float %arg, i32 1
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%tmp5 = insertelement <4 x float> %tmp4, float %arg, i32 2
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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%tmp7 = fadd <4 x float> %tmp6, %tmp6
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ret <4 x float> %tmp7
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}
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; CHECK-LABEL: @good5(
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; CHECK-NEXT: %ins1 = insertelement <4 x float> undef, float %v, i32 0
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; CHECK-NEXT: %a1 = fadd <4 x float> %ins1, %ins1
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; CHECK-NEXT: %ins4 = shufflevector <4 x float> %ins1, <4 x float> undef, <4 x i32> zeroinitializer
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; CHECK-NEXT: %res = fadd <4 x float> %a1, %ins4
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; CHECK-NEXT: ret <4 x float> %res
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define <4 x float> @good5(float %v) {
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%ins1 = insertelement <4 x float> undef, float %v, i32 0
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%a1 = fadd <4 x float> %ins1, %ins1
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%ins2 = insertelement<4 x float> %ins1, float %v, i32 1
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%ins3 = insertelement<4 x float> %ins2, float %v, i32 2
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%ins4 = insertelement<4 x float> %ins3, float %v, i32 3
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%res = fadd <4 x float> %a1, %ins4
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ret <4 x float> %res
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}
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; CHECK-LABEL: bad1
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; CHECK-NOT: shufflevector
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define <4 x float> @bad1(float %arg) {
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%tmp = insertelement <4 x float> undef, float %arg, i32 1
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%tmp4 = insertelement <4 x float> %tmp, float %arg, i32 1
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%tmp5 = insertelement <4 x float> %tmp4, float %arg, i32 2
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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ret <4 x float> %tmp6
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}
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; CHECK-LABEL: bad2
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; CHECK-NOT: shufflevector
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define <4 x float> @bad2(float %arg) {
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%tmp = insertelement <4 x float> undef, float %arg, i32 0
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%tmp5 = insertelement <4 x float> %tmp, float %arg, i32 2
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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ret <4 x float> %tmp6
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}
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; CHECK-LABEL: bad3
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; CHECK-NOT: shufflevector
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define <4 x float> @bad3(float %arg, float %arg2) {
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%tmp = insertelement <4 x float> undef, float %arg, i32 0
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%tmp4 = insertelement <4 x float> %tmp, float %arg2, i32 1
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%tmp5 = insertelement <4 x float> %tmp4, float %arg, i32 2
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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ret <4 x float> %tmp6
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}
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; CHECK-LABEL: bad4
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; CHECK-NOT: shufflevector
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define <1 x float> @bad4(float %arg) {
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%tmp = insertelement <1 x float> undef, float %arg, i32 0
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ret <1 x float> %tmp
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}
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; CHECK-LABEL: bad5
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; CHECK-NOT: shufflevector
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define <4 x float> @bad5(float %arg) {
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%tmp = insertelement <4 x float> undef, float %arg, i32 0
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%tmp4 = insertelement <4 x float> %tmp, float %arg, i32 1
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%tmp5 = insertelement <4 x float> %tmp4, float %arg, i32 2
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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%tmp7 = fadd <4 x float> %tmp6, %tmp4
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ret <4 x float> %tmp7
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}
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; CHECK-LABEL: bad6
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; CHECK-NOT: shufflevector
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define <4 x float> @bad6(float %arg, i32 %k) {
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%tmp = insertelement <4 x float> undef, float %arg, i32 0
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%tmp4 = insertelement <4 x float> %tmp, float %arg, i32 1
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%tmp5 = insertelement <4 x float> %tmp4, float %arg, i32 %k
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%tmp6 = insertelement <4 x float> %tmp5, float %arg, i32 3
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ret <4 x float> %tmp6
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}
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; CHECK-LABEL: @bad7(
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; CHECK-NOT: shufflevector
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define <4 x float> @bad7(float %v) {
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%ins1 = insertelement <4 x float> undef, float %v, i32 1
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%a1 = fadd <4 x float> %ins1, %ins1
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%ins2 = insertelement<4 x float> %ins1, float %v, i32 2
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%ins3 = insertelement<4 x float> %ins2, float %v, i32 3
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%ins4 = insertelement<4 x float> %ins3, float %v, i32 0
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%res = fadd <4 x float> %a1, %ins4
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ret <4 x float> %res
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}
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