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authorEli Friedman <eli.friedman@gmail.com>2011-05-05 21:59:18 +0000
committerEli Friedman <eli.friedman@gmail.com>2011-05-05 21:59:18 +0000
commitb6e7cd655c6ee119dbeacc321ee92387f983edb0 (patch)
treee1aa6692a280bb8f1768af8804b5a3265a424acd /test
parent108709d4d1ff02317972956540dad571bdf43e95 (diff)
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PR9838: Fix transform introduced in r127064 to not trigger when only one side of the icmp is an exact shift.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130954 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Transforms/InstCombine/icmp.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/icmp.ll b/test/Transforms/InstCombine/icmp.ll
index 099540a..1237ade 100644
--- a/test/Transforms/InstCombine/icmp.ll
+++ b/test/Transforms/InstCombine/icmp.ll
@@ -510,3 +510,14 @@ define i1 @test52(i32 %x1) nounwind {
ret i1 %A
}
+; PR9838
+; CHECK: @test53
+; CHECK-NEXT: ashr exact
+; CHECK-NEXT: ashr
+; CHECK-NEXT: icmp
+define i1 @test53(i32 %a, i32 %b) nounwind {
+ %x = ashr exact i32 %a, 30
+ %y = ashr i32 %b, 30
+ %z = icmp eq i32 %x, %y
+ ret i1 %z
+}