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[msan] Tests for vector manipulation instructions. 

llvm-svn: 168997
This commit is contained in:
Evgeniy Stepanov 2012-11-30 12:12:20 +00:00
parent f12e3a67db
commit 5a16af8638
1 changed files with 37 additions and 0 deletions
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37
llvm/test/Instrumentation/MemorySanitizer/msan_basic.ll
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@ -305,3 +305,40 @@ define i32 @ShadowLoadAlignmentSmall() nounwind uwtable {
; CHECK: load i32* {{.*}} align 2
; CHECK: load volatile i32* {{.*}} align 2
; CHECK: }
; Test vector manipulation instructions.
define i32 @ExtractElement(<4 x i32> %vec, i32 %idx) {
%x = extractelement <4 x i32> %vec, i32 %idx
ret i32 %x
}
; CHECK: define i32 @ExtractElement
; CHECK: extractelement
; CHECK: br
; CHECK: extractelement
; CHECK: }
define <4 x i32> @InsertElement(<4 x i32> %vec, i32 %idx, i32 %x) {
%vec1 = insertelement <4 x i32> %vec, i32 %x, i32 %idx
ret <4 x i32> %vec1
}
; CHECK: define <4 x i32> @InsertElement
; CHECK: insertelement
; CHECK: br
; CHECK: insertelement
; CHECK: }
define <4 x i32> @ShuffleVector(<4 x i32> %vec, <4 x i32> %vec1) {
%vec2 = shufflevector <4 x i32> %vec, <4 x i32> %vec1,
<4 x i32> <i32 0, i32 4, i32 1, i32 5>
ret <4 x i32> %vec2
}
; CHECK: define <4 x i32> @ShuffleVector
; CHECK: shufflevector
; CHECK-NOT: br
; CHECK: shufflevector
; CHECK: }