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Fix incomin arg stack frame offset in case we need to generate stack frame

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llvm-svn: 76049
This commit is contained in:
Anton Korobeynikov 2009-07-16 14:29:57 +00:00
parent c84e2bb30e
commit 080bdae588
2 changed files with 23 additions and 1 deletions
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2
lib/Target/SystemZ/SystemZRegisterInfo.cpp
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@ -101,7 +101,7 @@ int SystemZRegisterInfo::getFrameIndexOffset(MachineFunction &MF, int FI) const
Offset += StackSize - TFI.getOffsetOfLocalArea();
// Skip the register save area if we generated the stack frame.
if (StackSize)
if (StackSize || MFI->hasCalls())
Offset -= TFI.getOffsetOfLocalArea();
return Offset;

22
test/CodeGen/SystemZ/2009-07-10-BadIncomingArgOffset.ll Normal file
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@ -0,0 +1,22 @@
; RUN: llvm-as < %s | llc | grep 328
target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16"
target triple = "s390x-linux"
declare void @rdft(i32 signext, i32 signext, double*, i32* nocapture, double*) nounwind
declare double @mp_mul_d2i_test(i32 signext, i32 signext, double* nocapture) nounwind
define void @mp_mul_radix_test_bb3(i32 %radix, i32 %nfft, double* %tmpfft, i32* %ip, double* %w, double* %arrayidx44.reload, double* %call.out) nounwind {
newFuncRoot:
br label %bb3
bb4.exitStub: ; preds = %bb3
store double %call, double* %call.out
ret void
bb3: ; preds = %newFuncRoot
tail call void @rdft(i32 signext %nfft, i32 signext -1, double* %arrayidx44.reload, i32* %ip, double* %w) nounwind
%call = tail call double @mp_mul_d2i_test(i32 signext %radix, i32 signext %nfft, double* %tmpfft) ; <double> [#uses=1]
br label %bb4.exitStub
}