| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instsimplify -S | FileCheck %s |
| |
| 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 |
| } |
| |
| 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 |
| ret <4 x i64> %vec4 |
| } |
| |
| define <4 x i64> @insertelement_undef() { |
| ; CHECK-LABEL: @insertelement_undef( |
| ; CHECK-NEXT: ret <4 x i64> poison |
| ; |
| %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 |
| 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 poison |
| ; |
| %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 poison |
| ; |
| %E = extractelement <2 x i64> <i64 -1, i64 -1>, i64 undef |
| ret i64 %E |
| } |
| |
| define <vscale x 2 x i32> @insertelement_scalable_null() { |
| ; CHECK-LABEL: @insertelement_scalable_null( |
| ; CHECK-NEXT: ret <vscale x 2 x i32> zeroinitializer |
| ; |
| %vec = insertelement <vscale x 2 x i32> zeroinitializer, i32 0, i32 0 |
| ret <vscale x 2 x i32> %vec |
| } |
| |
| define <vscale x 2 x float> @insertelement_scalable_null_fp() { |
| ; CHECK-LABEL: @insertelement_scalable_null_fp( |
| ; CHECK-NEXT: ret <vscale x 2 x float> zeroinitializer |
| ; |
| %vec = insertelement <vscale x 2 x float> zeroinitializer, float 0.0, i32 1 |
| ret <vscale x 2 x float> %vec |
| } |