diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp index 6ebc3aa9dac..24098fabadc 100644 --- a/lib/Target/ARM/ARMFrameLowering.cpp +++ b/lib/Target/ARM/ARMFrameLowering.cpp @@ -282,9 +282,15 @@ void ARMFrameLowering::emitPrologue(MachineFunction &MF) const { // Prolog/epilog inserter assumes we correctly align DPRs on the stack, so our // .cfi_offset operations will reflect that. + unsigned adjustedGPRCS1Size = GPRCS1Size; if (DPRGapSize) { assert(DPRGapSize == 4 && "unexpected alignment requirements for DPRs"); - if (!tryFoldSPUpdateIntoPushPop(STI, MF, LastPush, DPRGapSize)) + if (tryFoldSPUpdateIntoPushPop(STI, MF, LastPush, DPRGapSize)) { + if (LastPush == GPRCS1Push) { + FramePtrOffsetInPush += DPRGapSize; + adjustedGPRCS1Size += DPRGapSize; + } + } else emitSPUpdate(isARM, MBB, MBBI, dl, TII, -DPRGapSize, MachineInstr::FrameSetup); } @@ -354,7 +360,6 @@ void ARMFrameLowering::emitPrologue(MachineFunction &MF) const { NumBytes = 0; } - unsigned adjustedGPRCS1Size = GPRCS1Size; if (NumBytes) { // Adjust SP after all the callee-save spills. if (tryFoldSPUpdateIntoPushPop(STI, MF, LastPush, NumBytes)) { diff --git a/test/CodeGen/ARM/dwarf-unwind.ll b/test/CodeGen/ARM/dwarf-unwind.ll index 58f486d76ab..0359e4b623e 100644 --- a/test/CodeGen/ARM/dwarf-unwind.ll +++ b/test/CodeGen/ARM/dwarf-unwind.ll @@ -66,3 +66,12 @@ define void @test_nodpr_noalign(i8 %l, i8 %r) { call void @bar() ret void } + +define void @test_frame_pointer_offset() minsize "no-frame-pointer-elim"="true" { +; CHECK-LABEL: test_frame_pointer_offset: +; CHECK: push.w {r3, r4, r5, r6, r7, r8, r9, r10, r11, lr} +; CHECK: add r7, sp, #16 + call void asm sideeffect "", "~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{d8}"() + call void @bar() + ret void +} \ No newline at end of file