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| author | Sanjay Patel <spatel@rotateright.com> | 2019-10-09 20:14:17 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2019-10-09 20:14:17 +0000 |
| commit | 232b9dc46a301c252c3c54543a3c67e13d517475 (patch) | |
| tree | 18e72b5408b3c09defbeac24eb636a1681967323 /llvm/test/Transforms/ConstProp | |
| parent | c57a9dc487e3959337b72c0779f397174bb52c99 (diff) | |
| download | bcm5719-llvm-232b9dc46a301c252c3c54543a3c67e13d517475.tar.gz bcm5719-llvm-232b9dc46a301c252c3c54543a3c67e13d517475.zip | |
[ConstProp] add tests for extractelement with undef index; NFC
llvm-svn: 374210
Diffstat (limited to 'llvm/test/Transforms/ConstProp')
| -rw-r--r-- | llvm/test/Transforms/ConstProp/InsertElement.ll | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/llvm/test/Transforms/ConstProp/InsertElement.ll b/llvm/test/Transforms/ConstProp/InsertElement.ll index 011ad3f57f4..ba3a9ade717 100644 --- a/llvm/test/Transforms/ConstProp/InsertElement.ll +++ b/llvm/test/Transforms/ConstProp/InsertElement.ll @@ -1,32 +1,53 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -constprop -S | FileCheck %s -; CHECK-LABEL: @test1 define i32 @test1() { +; CHECK-LABEL: @test1( +; CHECK-NEXT: ret i32 2139171423 +; %A = bitcast i32 2139171423 to float %B = insertelement <1 x float> undef, float %A, i32 0 %C = extractelement <1 x float> %B, i32 0 %D = bitcast float %C to i32 ret i32 %D -; CHECK: ret i32 2139171423 } -; CHECK-LABEL: @insertelement define <4 x i64> @insertelement() { +; CHECK-LABEL: @insertelement( +; CHECK-NEXT: ret <4 x i64> <i64 -1, i64 -2, i64 -3, i64 -4> +; %vec1 = insertelement <4 x i64> undef, i64 -1, i32 0 %vec2 = insertelement <4 x i64> %vec1, i64 -2, i32 1 %vec3 = insertelement <4 x i64> %vec2, i64 -3, i32 2 %vec4 = insertelement <4 x i64> %vec3, i64 -4, i32 3 - ; CHECK: ret <4 x i64> <i64 -1, i64 -2, i64 -3, i64 -4> ret <4 x i64> %vec4 } -; CHECK-LABEL: @insertelement_undef define <4 x i64> @insertelement_undef() { +; CHECK-LABEL: @insertelement_undef( +; CHECK-NEXT: [[VEC4:%.*]] = insertelement <4 x i64> <i64 -1, i64 -2, i64 -3, i64 undef>, i64 -4, i32 3 +; CHECK-NEXT: ret <4 x i64> undef +; %vec1 = insertelement <4 x i64> undef, i64 -1, i32 0 %vec2 = insertelement <4 x i64> %vec1, i64 -2, i32 1 %vec3 = insertelement <4 x i64> %vec2, i64 -3, i32 2 %vec4 = insertelement <4 x i64> %vec3, i64 -4, i32 3 %vec5 = insertelement <4 x i64> %vec3, i64 -5, i32 4 - ; CHECK: ret <4 x i64> undef ret <4 x i64> %vec5 } + +define i64 @extract_undef_index_from_zero_vec() { +; CHECK-LABEL: @extract_undef_index_from_zero_vec( +; CHECK-NEXT: ret i64 0 +; + %E = extractelement <2 x i64> zeroinitializer, i64 undef + ret i64 %E +} + +define i64 @extract_undef_index_from_nonzero_vec() { +; CHECK-LABEL: @extract_undef_index_from_nonzero_vec( +; CHECK-NEXT: ret i64 undef +; + %E = extractelement <2 x i64> <i64 -1, i64 -1>, i64 undef + ret i64 %E +} |
