[llvm-commits] [llvm] r53979 - in /llvm/trunk: lib/Target/PowerPC/PPCISelLowering.cpp test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll
Evan Cheng
evan.cheng at apple.com
Thu Jul 24 01:17:08 PDT 2008
Author: evancheng
Date: Thu Jul 24 03:17:07 2008
New Revision: 53979
URL: http://llvm.org/viewvc/llvm-project?rev=53979&view=rev
Log:
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/trunk/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll
Modified:
llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=53979&r1=53978&r2=53979&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Thu Jul 24 03:17:07 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/trunk/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll?rev=53979&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll (added)
+++ llvm/trunk/test/CodeGen/PowerPC/2008-07-24-PPC64-CCBug.ll Thu Jul 24 03:17:07 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
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