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PPC: Correct Size for GETtlsADDR 

PPC::GETtlsADDR is lowered to a branch and a nop, by the assembly
printer. Its size was incorrectly marked as 4, correct it to 8. The
incorrect size can cause incorrect branch relaxation in
PPCBranchSelector under the right conditions.

llvm-svn: 303904
This commit is contained in:
Kyle Butt 2017-05-25 19:37:41 +00:00
parent efd2b8f824
commit 13379d7c99
1 changed files with 3 additions and 1 deletions
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4
llvm/lib/Target/PowerPC/PPCInstr64Bit.td
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@ -1001,7 +1001,9 @@ def ADDItlsgdL : Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
isPPC64;
// LR8 is a true define, while the rest of the Defs are clobbers. X3 is
// explicitly defined when this op is created, so not mentioned here.
let hasExtraSrcRegAllocReq = 1, hasExtraDefRegAllocReq = 1,
// This is lowered to BL8_NOP_TLS by the assembly printer, so the size must be
// correct because the branch select pass is relying on it.
let hasExtraSrcRegAllocReq = 1, hasExtraDefRegAllocReq = 1, Size = 8,
Defs = [X0,X4,X5,X6,X7,X8,X9,X10,X11,X12,LR8,CTR8,CR0,CR1,CR5,CR6,CR7] in
def GETtlsADDR : Pseudo<(outs g8rc:$rD), (ins g8rc:$reg, tlsgd:$sym),
"#GETtlsADDR",