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| author | Jinsong Ji <jji@us.ibm.com> | 2019-07-16 20:24:33 +0000 |
|---|---|---|
| committer | Jinsong Ji <jji@us.ibm.com> | 2019-07-16 20:24:33 +0000 |
| commit | 65e34a3143c48aff8a4200964abc195461f473ac (patch) | |
| tree | 1c1775412afeb3c6b2348b515c5445bed4cdd667 /llvm/lib | |
| parent | 1b69fd275d589f48ce63bea73e311b7ef89c99ba (diff) | |
| download | bcm5719-llvm-65e34a3143c48aff8a4200964abc195461f473ac.tar.gz bcm5719-llvm-65e34a3143c48aff8a4200964abc195461f473ac.zip | |
[PowerPC][HTM] Fix impossible reg-to-reg copy assert with ttest builtin
Summary:
This is exposed by our internal testing.
The reduced testcase will assert with "Impossible reg-to-reg copy"
We can't use COPY to do 32-bit to 64-bit conversion.
Reviewers: kbarton, hfinkel, nemanjai
Reviewed By: hfinkel
Subscribers: hiraditya, MaskRay, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64499
llvm-svn: 366255
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCInstrHTM.td | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstrHTM.td b/llvm/lib/Target/PowerPC/PPCInstrHTM.td index 1af65fbb7d3..104b57a70a2 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrHTM.td +++ b/llvm/lib/Target/PowerPC/PPCInstrHTM.td @@ -164,6 +164,8 @@ def : Pat<(int_ppc_tsuspend), (TSR 0)>; def : Pat<(i64 (int_ppc_ttest)), - (RLDICL (i64 (COPY (TABORTWCI 0, (LI 0), 0))), 36, 28)>; + (RLDICL (i64 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), + (TABORTWCI 0, (LI 0), 0), sub_32)), + 36, 28)>; } // [HasHTM] |
