[llvm-commits] [llvm] r76049 - in /llvm/trunk: lib/Target/SystemZ/SystemZRegisterInfo.cpp test/CodeGen/SystemZ/2009-07-10-BadIncomingArgOffset.ll

[Anton Korobeynikov]

Author: asl
Date: Thu Jul 16 09:29:57 2009
New Revision: 76049

URL: http://llvm.org/viewvc/llvm-project?rev=76049&view=rev
Log:
Fix incomin arg stack frame offset in case we need to generate stack frame

Added:
    llvm/trunk/test/CodeGen/SystemZ/2009-07-10-BadIncomingArgOffset.ll
Modified:
    llvm/trunk/lib/Target/SystemZ/SystemZRegisterInfo.cpp

Modified: llvm/trunk/lib/Target/SystemZ/SystemZRegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZRegisterInfo.cpp?rev=76049&r1=76048&r2=76049&view=diff

==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZRegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZRegisterInfo.cpp Thu Jul 16 09:29:57 2009
@@ -101,7 +101,7 @@
   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;

Added: llvm/trunk/test/CodeGen/SystemZ/2009-07-10-BadIncomingArgOffset.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SystemZ/2009-07-10-BadIncomingArgOffset.ll?rev=76049&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/SystemZ/2009-07-10-BadIncomingArgOffset.ll (added)
+++ llvm/trunk/test/CodeGen/SystemZ/2009-07-10-BadIncomingArgOffset.ll Thu Jul 16 09:29:57 2009
@@ -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
+}