| ; 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 |
| } |