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| author | Chen Zheng <czhengsz@cn.ibm.com> | 2019-01-30 01:57:01 +0000 |
|---|---|---|
| committer | Chen Zheng <czhengsz@cn.ibm.com> | 2019-01-30 01:57:01 +0000 |
| commit | ca26039cc705596f54020e115aea699073365682 (patch) | |
| tree | b1d1978bce80d779b88a5b33d073d686230f4347 /llvm/test/CodeGen | |
| parent | 4a4d7a7be8c0353356eda708ee8514c1cf405505 (diff) | |
| download | bcm5719-llvm-ca26039cc705596f54020e115aea699073365682.tar.gz bcm5719-llvm-ca26039cc705596f54020e115aea699073365682.zip | |
[PowerPC] more opportunity for converting reg+reg to reg+imm
Differential Revision: https://reviews.llvm.org/D57314
llvm-svn: 352583
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/convert-rr-to-ri-instr-add.mir | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/convert-rr-to-ri-instr-add.mir b/llvm/test/CodeGen/PowerPC/convert-rr-to-ri-instr-add.mir new file mode 100644 index 00000000000..420f1f58b68 --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/convert-rr-to-ri-instr-add.mir @@ -0,0 +1,17 @@ +# RUN: llc -mtriple=powerpc64le--linux-gnu -stop-after ppc-pre-emit-peephole %s -o - -verify-machineinstrs | FileCheck %s + +--- +# ADDI8 + STFSX can be converted to ADDI8 + STFS even ADDI8 can not be erased. +name: testFwdOperandKilledAfter +# CHECK: name: testFwdOperandKilledAfter +tracksRegLiveness: true +body: | + bb.0.entry: + liveins: $x3, $f1, $x5 + $x3 = ADDI8 $x5, 100 + STFSX killed $f1, $zero8, $x3 + ; CHECK: STFS killed $f1, 100, $x5 + STD killed $x3, killed $x5, 100 + ; CHECK: STD killed $x3, killed $x5, 100 + BLR8 implicit $lr8, implicit $rm +... |
