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-rw-r--r--test/Transforms/InstCombine/shift.ll10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/shift.ll b/test/Transforms/InstCombine/shift.ll
index 32867761a3..41f8aa9ee8 100644
--- a/test/Transforms/InstCombine/shift.ll
+++ b/test/Transforms/InstCombine/shift.ll
@@ -735,3 +735,13 @@ define i32 @test61(i32 %x) {
; CHECK: @test61
; CHECK: ashr i32 %x, 4
}
+
+; propagate "exact" trait
+define i32 @test62(i32 %x) {
+ %shr = ashr exact i32 %x, 4
+ %shl = shl i32 %shr, 1
+ %or = or i32 %shl, 1
+ ret i32 %or
+; CHECK: @test62
+; CHECK: ashr exact i32 %x, 3
+}