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path: root/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
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Diffstat (limited to 'llvm/lib/Target/RISCV/RISCVFrameLowering.cpp')
-rw-r--r--llvm/lib/Target/RISCV/RISCVFrameLowering.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp b/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
index b37b740..f881c4c 100644
--- a/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
@@ -789,6 +789,8 @@ void RISCVFrameLowering::allocateStack(MachineBasicBlock &MBB,
// Unroll the probe loop depending on the number of iterations.
if (Offset < ProbeSize * 5) {
+ uint64_t CFAAdjust = RealStackSize - Offset;
+
uint64_t CurrentOffset = 0;
while (CurrentOffset + ProbeSize <= Offset) {
RI->adjustReg(MBB, MBBI, DL, SPReg, SPReg,
@@ -802,7 +804,7 @@ void RISCVFrameLowering::allocateStack(MachineBasicBlock &MBB,
CurrentOffset += ProbeSize;
if (EmitCFI)
- CFIBuilder.buildDefCFAOffset(CurrentOffset);
+ CFIBuilder.buildDefCFAOffset(CurrentOffset + CFAAdjust);
}
uint64_t Residual = Offset - CurrentOffset;
@@ -810,7 +812,7 @@ void RISCVFrameLowering::allocateStack(MachineBasicBlock &MBB,
RI->adjustReg(MBB, MBBI, DL, SPReg, SPReg,
StackOffset::getFixed(-Residual), Flag, getStackAlign());
if (EmitCFI)
- CFIBuilder.buildDefCFAOffset(Offset);
+ CFIBuilder.buildDefCFAOffset(RealStackSize);
if (DynAllocation) {
// s[d|w] zero, 0(sp)