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[InstCombine] add tests for non-splat select(ext)

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llvm-svn: 282901
This commit is contained in:
Sanjay Patel 2016-09-30 19:15:41 +00:00
parent 04e0faa3b3
commit 373ee08f45
1 changed files with 22 additions and 0 deletions
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22
test/Transforms/InstCombine/select-bitext.ll
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@ -166,6 +166,17 @@ define <2 x i32> @test_vectors_sext(<2 x i1> %cca, <2 x i1> %ccb) {
ret <2 x i32> %r
}
define <2 x i32> @test_vectors_sext_nonsplat(<2 x i1> %cca, <2 x i1> %ccb) {
; CHECK-LABEL: @test_vectors_sext_nonsplat(
; CHECK-NEXT: [[CCAX:%.*]] = sext <2 x i1> %cca to <2 x i32>
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> %ccb, <2 x i32> [[CCAX]], <2 x i32> <i32 0, i32 -1>
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%ccax = sext <2 x i1> %cca to <2 x i32>
%r = select <2 x i1> %ccb, <2 x i32> %ccax, <2 x i32> <i32 0, i32 -1>
ret <2 x i32> %r
}
define <2 x i32> @test_vectors_zext(<2 x i1> %cca, <2 x i1> %ccb) {
; CHECK-LABEL: @test_vectors_zext(
; CHECK-NEXT: [[FOLD_R:%.*]] = and <2 x i1> %ccb, %cca
@ -177,6 +188,17 @@ define <2 x i32> @test_vectors_zext(<2 x i1> %cca, <2 x i1> %ccb) {
ret <2 x i32> %r
}
define <2 x i32> @test_vectors_zext_nonsplat(<2 x i1> %cca, <2 x i1> %ccb) {
; CHECK-LABEL: @test_vectors_zext_nonsplat(
; CHECK-NEXT: [[CCAX:%.*]] = zext <2 x i1> %cca to <2 x i32>
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> %ccb, <2 x i32> [[CCAX]], <2 x i32> <i32 1, i32 0>
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%ccax = zext <2 x i1> %cca to <2 x i32>
%r = select <2 x i1> %ccb, <2 x i32> %ccax, <2 x i32> <i32 1, i32 0>
ret <2 x i32> %r
}
define <2 x i32> @scalar_select_of_vectors_sext(<2 x i1> %cca, i1 %ccb) {
; CHECK-LABEL: @scalar_select_of_vectors_sext(
; CHECK-NEXT: [[FOLD_R:%.*]] = select i1 %ccb, <2 x i1> %cca, <2 x i1> zeroinitializer