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| author | Evan Cheng <evan.cheng@apple.com> | 2009-08-07 05:45:07 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-08-07 05:45:07 +0000 |
| commit | 53c67c0218d8420234dd71bf2d9df3388909af77 (patch) | |
| tree | 96f8c630c42616e0745976a2f9d1917e3f5fcc3c | |
| parent | 85019e15eb88c16da801337df74920404b2bea98 (diff) | |
| download | external_llvm-53c67c0218d8420234dd71bf2d9df3388909af77.zip external_llvm-53c67c0218d8420234dd71bf2d9df3388909af77.tar.gz external_llvm-53c67c0218d8420234dd71bf2d9df3388909af77.tar.bz2 | |
tBfar is bl, which clobbers LR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78370 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMConstantIslandPass.cpp | 3 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMConstantIslandPass.cpp b/lib/Target/ARM/ARMConstantIslandPass.cpp index 782765a..2f74133 100644 --- a/lib/Target/ARM/ARMConstantIslandPass.cpp +++ b/lib/Target/ARM/ARMConstantIslandPass.cpp @@ -1221,7 +1221,8 @@ bool ARMConstantIslands::FixUpUnconditionalBr(MachineFunction &MF, ImmBranch &Br) { MachineInstr *MI = Br.MI; MachineBasicBlock *MBB = MI->getParent(); - assert(isThumb && !isThumb2 && "Expected a Thumb1 function!"); + if (!isThumb1) + llvm_unreachable("FixUpUnconditionalBr is Thumb1 only!"); // Use BL to implement far jump. Br.MaxDisp = (1 << 21) * 2; diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 9b54e67..c95b1d6 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -253,6 +253,7 @@ let isBranch = 1, isTerminator = 1 in { "b $target", [(br bb:$target)]>; // Far jump + let Defs = [LR] in def tBfar : TIx2<(outs), (ins brtarget:$target), IIC_Br, "bl $target\t@ far jump",[]>; |