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Fix undefined code and reenable test case. 

I don't think the compact encoding code is right, but at least is has
defined behavior now.

llvm-svn: 147938
This commit is contained in:
Jakob Stoklund Olesen 2012-01-11 09:08:04 +00:00
parent 51d3076bbf
commit 6039983755
2 changed files with 3 additions and 4 deletions
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4
llvm/lib/Target/X86/X86FrameLowering.cpp
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@ -458,7 +458,7 @@ encodeCompactUnwindRegistersWithFrame(unsigned SavedRegs[CU_NUM_SAVED_REGS],
// Encode the registers in the order they were saved, 3-bits per register. The
// registers are numbered from 1 to 6.
uint32_t RegEnc = 0;
for (int I = 0; I != 6; --I) {
for (int I = 0; I != 6; ++I) {
unsigned Reg = SavedRegs[I];
if (Reg == 0) break;
int CURegNum = getCompactUnwindRegNum(CURegs, Reg);
@ -470,7 +470,7 @@ encodeCompactUnwindRegistersWithFrame(unsigned SavedRegs[CU_NUM_SAVED_REGS],
RegEnc |= (CURegNum & 0x7) << ((5 - I) * 3);
}
assert((RegEnc & 0x7FFF) == RegEnc && "Invalid compact register encoding!");
assert((RegEnc & 0x3FFFF) == RegEnc && "Invalid compact register encoding!");
return RegEnc;
}

3
llvm/test/CodeGen/X86/2012-01-10-UndefExceptionEdge.ll
View File

@ -1,5 +1,4 @@
; RUN: true
; DONT: llc < %s -disable-fp-elim
; RUN: llc < %s -disable-fp-elim
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
target triple = "i386-apple-macosx10.7"