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author | Devang Patel <dpatel@apple.com> | 2009-02-04 00:03:08 +0000 |
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committer | Devang Patel <dpatel@apple.com> | 2009-02-04 00:03:08 +0000 |
commit | 65085cf7b3470b7b087f5fd7b0497879b90b32ba (patch) | |
tree | 7ce0d617b225c54aa20762e452aeea35ee88661a /test/Transforms/SimplifyCFG | |
parent | a04b75710910278334192b389c4c4c62600e162f (diff) | |
download | external_llvm-65085cf7b3470b7b087f5fd7b0497879b90b32ba.zip external_llvm-65085cf7b3470b7b087f5fd7b0497879b90b32ba.tar.gz external_llvm-65085cf7b3470b7b087f5fd7b0497879b90b32ba.tar.bz2 |
Ignore dbg intrinsics while hoisting common code in the two blocks up into the branch block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63687 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SimplifyCFG')
-rw-r--r-- | test/Transforms/SimplifyCFG/hoist-common-code.dbg.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/hoist-common-code.dbg.ll b/test/Transforms/SimplifyCFG/hoist-common-code.dbg.ll new file mode 100644 index 0000000..ad5cd93 --- /dev/null +++ b/test/Transforms/SimplifyCFG/hoist-common-code.dbg.ll @@ -0,0 +1,33 @@ +; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep br + + + %llvm.dbg.anchor.type = type { i32, i32 } + %llvm.dbg.compile_unit.type = type { i32, { }*, i32, i8*, i8*, i8*, i1, i1, i8* } + +@llvm.dbg.compile_units = linkonce constant %llvm.dbg.anchor.type { i32 458752, i32 17 }, section "llvm.metadata" ; + +@.str = internal constant [4 x i8] c"a.c\00", section "llvm.metadata" ; <[4 x i8]*> [#uses=1] +@.str1 = internal constant [6 x i8] c"/tmp/\00", section "llvm.metadata" ; <[6 x i8]*> [#uses=1] +@.str2 = internal constant [55 x i8] c"4.2.1 (Based on Apple Inc. build 5636) (LLVM build 00)\00", section "llvm.metadata" ; <[55 x i8]*> [#uses=1] +@llvm.dbg.compile_unit = internal constant %llvm.dbg.compile_unit.type { i32 458769, { }* bitcast (%llvm.dbg.anchor.type* @llvm.dbg.compile_units to { }*), i32 1, i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), i8* getelementptr ([6 x i8]* @.str1, i32 0, i32 0), i8* getelementptr ([55 x i8]* @.str2, i32 0, i32 0), i1 true, i1 false, i8* null }, section "llvm.metadata" ; <%llvm.dbg.compile_unit.type*> [#uses=1] + +declare void @llvm.dbg.stoppoint(i32, i32, { }*) nounwind + +declare void @bar(i32) + +define void @test(i1 %P, i32* %Q) { + br i1 %P, label %T, label %F +T: ; preds = %0 +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + store i32 1, i32* %Q + %A = load i32* %Q ; <i32> [#uses=1] + call void @bar( i32 %A ) + ret void +F: ; preds = %0 + store i32 1, i32* %Q +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + %B = load i32* %Q ; <i32> [#uses=1] + call void @bar( i32 %B ) + ret void +} + |