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authorChris Lattner <sabre@nondot.org>2002-05-09 19:52:36 +0000
committerChris Lattner <sabre@nondot.org>2002-05-09 19:52:36 +0000
commit0097e41993552deb2568611179527387312ba72a (patch)
tree6f9b2335f9d35ec026da186212b58a6f5fc15650 /test/Transforms/InstCombine/set.ll
parent8c8a37061a738cc435b27e74f2320dae03c06318 (diff)
downloadllvm-0097e41993552deb2568611179527387312ba72a.tar.gz
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New testcase for wierd combine opportunity found in bzip2 benchmark
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2580 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/set.ll')
-rw-r--r--test/Transforms/InstCombine/set.ll10
1 files changed, 7 insertions, 3 deletions
diff --git a/test/Transforms/InstCombine/set.ll b/test/Transforms/InstCombine/set.ll
index 264bb353c3..3fd94c31a4 100644
--- a/test/Transforms/InstCombine/set.ll
+++ b/test/Transforms/InstCombine/set.ll
@@ -6,16 +6,20 @@
; RUN: else exit 0
; RUN: fi
-implementation
+%X = uninitialized global int
bool "test1"(int %A) {
%B = seteq int %A, %A
- ret bool %B
+ %C = seteq int* %X, null ; Never true
+ %D = and bool %B, %C
+ ret bool %D
}
bool "test2"(int %A) {
%B = setne int %A, %A
- ret bool %B
+ %C = setne int* %X, null ; Never false
+ %D = or bool %B, %C
+ ret bool %D
}
bool "test3"(int %A) {