[llvm-commits] [llvm] r54405 - in /llvm/tags/Apple/llvmCore-2061: lib/Target/PowerPC/PPCISelLowering.cpp test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll

[Bill Wendling]

Author: void
Date: Wed Aug  6 01:20:07 2008
New Revision: 54405

URL: http://llvm.org/viewvc/llvm-project?rev=54405&view=rev
Log:
Pull r53979 into llvmCore-2061:

Fix a catastrophic PPC64 ABI bug: i32 operands which are passed in memory (all
of the parameter registers are used) are loaded from sp offsets that were off by
4.


Added:
    llvm/tags/Apple/llvmCore-2061/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll
Modified:
    llvm/tags/Apple/llvmCore-2061/lib/Target/PowerPC/PPCISelLowering.cpp

Modified: llvm/tags/Apple/llvmCore-2061/lib/Target/PowerPC/PPCISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/tags/Apple/llvmCore-2061/lib/Target/PowerPC/PPCISelLowering.cpp?rev=54405&r1=54404&r2=54405&view=diff

==============================================================================
--- llvm/tags/Apple/llvmCore-2061/lib/Target/PowerPC/PPCISelLowering.cpp (original)
+++ llvm/tags/Apple/llvmCore-2061/lib/Target/PowerPC/PPCISelLowering.cpp Wed Aug  6 01:20:07 2008
@@ -1582,6 +1582,7 @@
         ++GPR_idx;
       } else {
         needsLoad = true;
+        ArgSize = PtrByteSize;
       }
       // All int arguments reserve stack space in Macho ABI.
       if (isMachoABI || needsLoad) ArgOffset += 8;

Added: llvm/tags/Apple/llvmCore-2061/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/tags/Apple/llvmCore-2061/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll?rev=54405&view=auto

==============================================================================
--- llvm/tags/Apple/llvmCore-2061/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll (added)
+++ llvm/tags/Apple/llvmCore-2061/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll Wed Aug  6 01:20:07 2008
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -mtriple=powerpc64-apple-darwin | grep lwz | grep 228
+
+@"\01LC" = internal constant [4 x i8] c"%d\0A\00"		; <[4 x i8]*> [#uses=1]
+
+define void @llvm_static_func(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6, i32 %a7, i32 %a8, i32 %a9, i32 %a10, i32 %a11, i32 %a12, i32 %a13, i32 %a14, i32 %a15) nounwind  {
+entry:
+	tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i64 0), i32 %a8 ) nounwind 		; <i32>:0 [#uses=0]
+	ret void
+}
+
+declare i32 @printf(i8*, ...) nounwind