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| author | Devang Patel <dpatel@apple.com> | 2009-02-05 23:32:52 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-02-05 23:32:52 +0000 |
| commit | 32d9701d680e30c3cf102c0addfacf36ff827a48 (patch) | |
| tree | 650f596022d2a4dcec41cf9585c87386dea4084c /test/Transforms/CondProp | |
| parent | 54801f78b1ed0078a4c07cbb5472830335987f66 (diff) | |
| download | external_llvm-32d9701d680e30c3cf102c0addfacf36ff827a48.zip external_llvm-32d9701d680e30c3cf102c0addfacf36ff827a48.tar.gz external_llvm-32d9701d680e30c3cf102c0addfacf36ff827a48.tar.bz2 | |
Ignore dbg intrinsics while propagating conditional expression info. Take 2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63898 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/CondProp')
| -rw-r--r-- | test/Transforms/CondProp/basictest-dbg.ll | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/test/Transforms/CondProp/basictest-dbg.ll b/test/Transforms/CondProp/basictest-dbg.ll new file mode 100644 index 0000000..d8a680b --- /dev/null +++ b/test/Transforms/CondProp/basictest-dbg.ll @@ -0,0 +1,45 @@ +; RUN: llvm-as < %s | opt -condprop | llvm-dis | \ +; RUN: not grep {br label} + + %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 i32 @test(i1 %C) { + br i1 %C, label %T1, label %F1 + +T1: ; preds = %0 +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + br label %Cont + +F1: ; preds = %0 +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + br label %Cont + +Cont: ; preds = %F1, %T1 + %C2 = phi i1 [ false, %F1 ], [ true, %T1 ] ; <i1> [#uses=1] +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + br i1 %C2, label %T2, label %F2 + +T2: ; preds = %Cont +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + call void @bar( ) +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + ret i32 17 + +F2: ; preds = %Cont +call void @llvm.dbg.stoppoint(i32 5, i32 0, { }* bitcast (%llvm.dbg.compile_unit.type* @llvm.dbg.compile_unit to { }*)) + ret i32 1 +} + +declare void @bar() + |