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authorChris Lattner <sabre@nondot.org>2011-01-16 08:09:24 +0000
committerChris Lattner <sabre@nondot.org>2011-01-16 08:09:24 +0000
commit28252b6f0a483ffb0ead991c7a1ead14e3cd2fc1 (patch)
tree37f9a090050879c3c2c202697cf765eb033ca4b7 /test/Transforms/ArgumentPromotion
parent54cfe7e027ee56799f3d597fd5095394f66e0ff0 (diff)
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fix PR8932, a case where arg promotion could infinitely promote.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123574 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/ArgumentPromotion')
-rw-r--r--test/Transforms/ArgumentPromotion/crash.ll21
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/ArgumentPromotion/crash.ll b/test/Transforms/ArgumentPromotion/crash.ll
index e2d3d4d..fed002a 100644
--- a/test/Transforms/ArgumentPromotion/crash.ll
+++ b/test/Transforms/ArgumentPromotion/crash.ll
@@ -36,3 +36,24 @@ entry:
ret i1 undef
}
+
+; PR8932 - infinite promotion.
+%0 = type { %0* }
+
+define i32 @test2(i32 %a) {
+init:
+ %0 = alloca %0
+ %1 = alloca %0
+ %2 = call i32 @"clay_assign(Chain, Chain)"(%0* %0, %0* %1)
+ ret i32 0
+}
+
+define internal i32 @"clay_assign(Chain, Chain)"(%0* %c, %0* %d) {
+init:
+ %0 = getelementptr %0* %d, i32 0, i32 0
+ %1 = load %0** %0
+ %2 = getelementptr %0* %c, i32 0, i32 0
+ %3 = load %0** %2
+ %4 = call i32 @"clay_assign(Chain, Chain)"(%0* %3, %0* %1)
+ ret i32 0
+}