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| author | Devang Patel <dpatel@apple.com> | 2011-03-09 21:27:52 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2011-03-09 21:27:52 +0000 |
| commit | a2ab3999edb7c8c697271636ba1866a6d698f599 (patch) | |
| tree | 9c912679af0784c79be3e4c47e17c7cfee8e8c3a | |
| parent | 2f26fa48380da12fd8e3d00a7b6baa7ae280870f (diff) | |
Preserve line number information while simplifying libcalls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127362 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/SimplifyLibCalls.cpp | 3 | ||||
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/debug-line.ll | 24 |
2 files changed, 27 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp index 54eaada3e4..6247b0348f 100644 --- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp +++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp @@ -1616,6 +1616,9 @@ bool SimplifyLibCalls::runOnFunction(Function &F) { // Set the builder to the instruction after the call. Builder.SetInsertPoint(BB, I); + // Use debug location of CI for all new instructions. + Builder.SetCurrentDebugLocation(CI->getDebugLoc()); + // Try to optimize this call. Value *Result = LCO->OptimizeCall(CI, TD, TLI, Builder); if (Result == 0) continue; diff --git a/test/Transforms/SimplifyLibCalls/debug-line.ll b/test/Transforms/SimplifyLibCalls/debug-line.ll new file mode 100644 index 0000000000..b668e4b9d3 --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/debug-line.ll @@ -0,0 +1,24 @@ +; RUN: opt -simplify-libcalls -S < %s | FileCheck %s + + +@.str = private constant [3 x i8] c"%c\00" + +define void @foo() nounwind ssp { +;CHECK: call i32 @putchar{{.+}} !dbg + %1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([3 x i8]* @.str, i32 0, i32 0), i32 97), !dbg !5 + ret void, !dbg !7 +} + +declare i32 @printf(i8*, ...) + +!llvm.dbg.sp = !{!0} + +!0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 4, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @foo} ; [ DW_TAG_subprogram ] +!1 = metadata !{i32 589865, metadata !"m.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ] +!2 = metadata !{i32 589841, i32 0, i32 12, metadata !"m.c", metadata !"/private/tmp", metadata !"clang", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ] +!3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ] +!4 = metadata !{null} +!5 = metadata !{i32 5, i32 2, metadata !6, null} +!6 = metadata !{i32 589835, metadata !0, i32 4, i32 12, metadata !1, i32 0} ; [ DW_TAG_lexical_block ] +!7 = metadata !{i32 6, i32 1, metadata !6, null} + |