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[InstCombine] add another test for PR32949; NFC

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A patch for the InstSimplify variant of this bug is up for review here:
https://reviews.llvm.org/D32954

llvm-svn: 302434
This commit is contained in:
Sanjay Patel 2017-05-08 15:58:57 +00:00
parent 0560bf08c5
commit 31d07fed4c
1 changed files with 13 additions and 0 deletions
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13
test/Transforms/InstCombine/icmp.ll
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@ -695,6 +695,19 @@ define i1 @test48(i32 %X, i32 %Y, i32 %Z) {
ret i1 %C
}
; FIXME: The above transform only works for equality predicates.
define i1 @PR32949(i32 %X, i32 %Y, i32 %Z) {
; CHECK-LABEL: @PR32949(
; CHECK-NEXT: [[C:%.*]] = icmp sgt i32 %X, %Y
; CHECK-NEXT: ret i1 [[C]]
;
%A = sdiv exact i32 %X, %Z
%B = sdiv exact i32 %Y, %Z
%C = icmp sgt i32 %A, %B
ret i1 %C
}
; PR8469
define <2 x i1> @test49(<2 x i32> %tmp3) {
; CHECK-LABEL: @test49(