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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-10-14 01:00:49 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-10-14 01:00:49 +0000 |
| commit | ccbe603869681aa71b4140e3bf4b4459caf60622 (patch) | |
| tree | 96f8f15f68d965a8fd8cf01f6f5ddb0f34b6485e /lib/Target/ARM/ARMInstrThumb.td | |
| parent | 0a951fba75dd8dbd53d80503430b0d055ada2b46 (diff) | |
| download | llvm-ccbe603869681aa71b4140e3bf4b4459caf60622.tar.gz llvm-ccbe603869681aa71b4140e3bf4b4459caf60622.tar.bz2 llvm-ccbe603869681aa71b4140e3bf4b4459caf60622.tar.xz | |
Ban rematerializable instructions with side effects.
TableGen infers unmodeled side effects on instructions without a
pattern. Fix some instruction definitions where that was overlooked.
Also raise an error if a rematerializable instruction has unmodeled side
effects. That doen't make any sense.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141929 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 4a7e6a1c6a..3e81516726 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -312,7 +312,7 @@ def tPICADD : TIt<(outs GPR:$dst), (ins GPR:$lhs, pclabel:$cp), IIC_iALUr, "", // ADD <Rd>, sp, #<imm8> // This is rematerializable, which is particularly useful for taking the // address of locals. -let isReMaterializable = 1 in +let isReMaterializable = 1, neverHasSideEffects = 1 in def tADDrSPi : T1pI<(outs tGPR:$dst), (ins GPRsp:$sp, t_imm0_1020s4:$imm), IIC_iALUi, "add", "\t$dst, $sp, $imm", []>, T1Encoding<{1,0,1,0,1,?}> { |