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Diffstat (limited to 'llvm/test/Transforms/ConstProp/InsertElement.ll')
| -rw-r--r-- | llvm/test/Transforms/ConstProp/InsertElement.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/test/Transforms/ConstProp/InsertElement.ll b/llvm/test/Transforms/ConstProp/InsertElement.ll new file mode 100644 index 00000000000..011ad3f57f4 --- /dev/null +++ b/llvm/test/Transforms/ConstProp/InsertElement.ll @@ -0,0 +1,32 @@ +; RUN: opt < %s -constprop -S | FileCheck %s + +; CHECK-LABEL: @test1 +define i32 @test1() { + %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() { + %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() { + %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 +} |
