| # RUN: llc -o - %s -mtriple=aarch64-- -mattr=+fuse-addsub-2reg-const1 -run-pass postmisched | FileCheck %s --check-prefixes=CHECK,FUSION |
| # RUN: llc -o - %s -mtriple=aarch64-- -mattr=+fuse-addsub-2reg-const1 -passes=postmisched | FileCheck %s --check-prefixes=CHECK,FUSION |
| # RUN: llc -o - %s -mtriple=aarch64-- -mattr=-fuse-addsub-2reg-const1 -run-pass postmisched | FileCheck %s --check-prefixes=CHECK,NOFUSION |
| # RUN: llc -o - %s -mtriple=aarch64-- -mattr=-fuse-addsub-2reg-const1 -passes=postmisched | FileCheck %s --check-prefixes=CHECK,NOFUSION |
| --- |
| # CHECK-LABEL: name: addsub2reg |
| # CHECK: $w8 = ADDWrr killed renamable $w0, killed renamable $w1 |
| # FUSION: renamable $w0 = ADDWri killed renamable $w8, 1, 0 |
| # CHECK: $w9 = SUBWrr killed renamable $w2, killed renamable $w3 |
| # NOFUSION: renamable $w0 = ADDWri killed renamable $w8, 1, 0 |
| # CHECK: renamable $w1 = SUBWri killed renamable $w9, 1, 0 |
| name: addsub2reg |
| tracksRegLiveness: true |
| body: | |
| bb.0.entry: |
| liveins: $w0, $w1, $w2, $w3 |
| |
| $w8 = ADDWrr killed renamable $w0, killed renamable $w1 |
| $w9 = SUBWrr killed renamable $w2, killed renamable $w3 |
| renamable $w0 = ADDWri killed renamable $w8, 1, 0 |
| renamable $w1 = SUBWri killed renamable $w9, 1, 0 |
| |
| $w0 = ORRWrs killed renamable $w0, killed renamable $w1, 0 |
| RET undef $lr, implicit $w0 |
| ... |
