Index: llvm/trunk/lib/Target/ARM/ARMFrameLowering.cpp =================================================================== --- llvm/trunk/lib/Target/ARM/ARMFrameLowering.cpp +++ llvm/trunk/lib/Target/ARM/ARMFrameLowering.cpp @@ -311,6 +311,7 @@ return; StackAdjustingInsts DefCFAOffsetCandidates; + bool HasFP = hasFP(MF); // Allocate the vararg register save area. if (ArgRegsSaveSize) { @@ -327,6 +328,7 @@ DefCFAOffsetCandidates.addInst(std::prev(MBBI), NumBytes - ArgRegsSaveSize, true); } + DefCFAOffsetCandidates.emitDefCFAOffsets(MMI, MBB, dl, TII, HasFP); return; } @@ -375,7 +377,6 @@ } // Determine starting offsets of spill areas. - bool HasFP = hasFP(MF); unsigned GPRCS1Offset = NumBytes - ArgRegsSaveSize - GPRCS1Size; unsigned GPRCS2Offset = GPRCS1Offset - GPRCS2Size; unsigned DPRAlign = DPRCSSize ? std::min(8U, Align) : 4U; Index: llvm/trunk/test/CodeGen/ARM/debug-info-no-frame.ll =================================================================== --- llvm/trunk/test/CodeGen/ARM/debug-info-no-frame.ll +++ llvm/trunk/test/CodeGen/ARM/debug-info-no-frame.ll @@ -0,0 +1,36 @@ +; RUN: llc -mtriple=armv7-none-linux-gnueabihf < %s -o - | FileCheck %s + +; Function Attrs: nounwind +define void @need_cfi_def_cfa_offset() #0 { +; CHECK-LABEL: need_cfi_def_cfa_offset: +; CHECK: sub sp, sp, #4 +; CHECK: .cfi_def_cfa_offset 4 +entry: + %Depth = alloca i32, align 4 + call void @llvm.dbg.declare(metadata i32* %Depth, metadata !9, metadata !10), !dbg !11 + store i32 2, i32* %Depth, align 4, !dbg !11 + ret void, !dbg !12 +} + +; Function Attrs: nounwind readnone +declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 + +attributes #0 = { nounwind } +attributes #1 = { nounwind readnone } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!7, !8} + +!0 = !MDCompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false) +!1 = !MDFile(filename: "file.c", directory: "/dir") +!2 = !{} +!3 = !MDSubprogram(name: "need_cfi_def_cfa_offset", scope: !1, file: !1, line: 1, type: !4, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, function: void ()* @need_cfi_def_cfa_offset, variables: !2) +!4 = !MDSubroutineType(types: !5) +!5 = !{null} +!6 = !MDBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) +!7 = !{i32 2, !"Dwarf Version", i32 4} +!8 = !{i32 2, !"Debug Info Version", i32 3} +!9 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "Depth", scope: !3, file: !1, line: 3, type: !6) +!10 = !MDExpression() +!11 = !MDLocation(line: 3, column: 9, scope: !3) +!12 = !MDLocation(line: 7, column: 5, scope: !3)