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| author | Devang Patel <dpatel@apple.com> | 2009-02-03 22:12:02 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-02-03 22:12:02 +0000 |
| commit | 383d7ed9158576aef5cde872548225a17e3c0155 (patch) | |
| tree | 68076b06841e239883e4a85fb09fc3ec202195ee /test/Transforms/SimplifyCFG | |
| parent | 28aa5de050e0f43617f2b5cce65edc8827f3e2f1 (diff) | |
| download | llvm-383d7ed9158576aef5cde872548225a17e3c0155.tar.gz llvm-383d7ed9158576aef5cde872548225a17e3c0155.tar.bz2 llvm-383d7ed9158576aef5cde872548225a17e3c0155.tar.xz | |
Do not let dbg intrinsic block folding of two entry phi node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63671 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SimplifyCFG')
| -rw-r--r-- | test/Transforms/SimplifyCFG/two-entry-phi-return.dbg.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/two-entry-phi-return.dbg.ll b/test/Transforms/SimplifyCFG/two-entry-phi-return.dbg.ll new file mode 100644 index 0000000000..62d4a4335a --- /dev/null +++ b/test/Transforms/SimplifyCFG/two-entry-phi-return.dbg.ll @@ -0,0 +1,28 @@ +; 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 + +define i1 @qux(i8* %m, i8* %n, i8* %o, i8* %p) nounwind { +entry: + %tmp7 = icmp eq i8* %m, %n + br i1 %tmp7, label %bb, label %UnifiedReturnBlock + +bb: +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + %tmp15 = icmp eq i8* %o, %p + br label %UnifiedReturnBlock + +UnifiedReturnBlock: + %result = phi i1 [ 0, %entry ], [ %tmp15, %bb ] + ret i1 %result +} |