RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-18 10:32:48 +02:00
Code Issues Projects Releases Wiki Activity

[ConstProp] add tests for extractelement with undef index; NFC

Browse Source 
llvm-svn: 374210
This commit is contained in:
Sanjay Patel 2019-10-09 20:14:17 +00:00
parent 10acf04a6f
commit affeff0d1b
1 changed files with 27 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
test/Transforms/ConstProp/InsertElement.ll
View File

@ -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
}