Author: gramanas Date: Thu Jun 21 09:53:48 2018 New Revision: 335255 URL: http://llvm.org/viewvc/llvm-project?rev=335255&view=rev Log: [DebugInfo] Inline for without DebugLocation
Summary: This test is a strip down version of a function inside the amalgamated sqlite source. When converted to IR clang produces a phi instruction without debug location. This patch fixes the above issue. Differential Revision: https://reviews.llvm.org/D47720 Added: cfe/trunk/test/CodeGen/debug-info-inline-for.c Modified: cfe/trunk/lib/CodeGen/CGExprScalar.cpp Modified: cfe/trunk/lib/CodeGen/CGExprScalar.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprScalar.cpp?rev=335255&r1=335254&r2=335255&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/CGExprScalar.cpp (original) +++ cfe/trunk/lib/CodeGen/CGExprScalar.cpp Thu Jun 21 09:53:48 2018 @@ -3431,6 +3431,12 @@ Value *ScalarExprEmitter::VisitBinLAnd(c // Insert an entry into the phi node for the edge with the value of RHSCond. PN->addIncoming(RHSCond, RHSBlock); + // Artificial location to preserve the scope information + { + auto NL = ApplyDebugLocation::CreateArtificial(CGF); + PN->setDebugLoc(Builder.getCurrentDebugLocation()); + } + // ZExt result to int. return Builder.CreateZExtOrBitCast(PN, ResTy, "land.ext"); } Added: cfe/trunk/test/CodeGen/debug-info-inline-for.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/debug-info-inline-for.c?rev=335255&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/debug-info-inline-for.c (added) +++ cfe/trunk/test/CodeGen/debug-info-inline-for.c Thu Jun 21 09:53:48 2018 @@ -0,0 +1,13 @@ +// RUN: %clang_cc1 -debug-info-kind=limited -emit-llvm -o - %s | FileCheck %s +// Check that clang emits Debug location in the phi instruction + +int func(int n) { + int a; + for(a = 10; a>0 && n++; a--); + return n; +} + +// CHECK: land.end: +// CHECK-NEXT: {{.*}} = phi i1 {{.*}} !dbg ![[DbgLoc:[0-9]+]] + +// CHECK: ![[DbgLoc]] = !DILocation(line: 0 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
