| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=x86_64-linux-gnu -mattr=+bmi -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s |
| # |
| # Test that rules where multiple operands must be the same operand successfully |
| # match. Also test that the rules do not match when they're not the same |
| # operand. |
| |
| --- |
| name: test_blsr32rr |
| alignment: 4 |
| legalized: true |
| regBankSelected: true |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| - { id: 3, class: gpr } |
| # G_ADD and G_AND both use %0 so we should match this. |
| body: | |
| bb.1: |
| liveins: $edi |
| |
| ; CHECK-LABEL: name: test_blsr32rr |
| ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi |
| ; CHECK: [[BLSR32rr:%[0-9]+]]:gr32 = BLSR32rr [[COPY]], implicit-def $eflags |
| ; CHECK: $edi = COPY [[BLSR32rr]] |
| %0(s32) = COPY $edi |
| %1(s32) = G_CONSTANT i32 -1 |
| %2(s32) = G_ADD %0, %1 |
| %3(s32) = G_AND %2, %0 |
| $edi = COPY %3 |
| |
| ... |
| --- |
| name: test_blsr32rr_nomatch |
| alignment: 4 |
| legalized: true |
| regBankSelected: true |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| - { id: 3, class: gpr } |
| # G_ADD and G_AND use different operands so we shouldn't match this. |
| body: | |
| bb.1: |
| liveins: $edi |
| |
| ; CHECK-LABEL: name: test_blsr32rr_nomatch |
| ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi |
| ; CHECK: [[MOV32ri:%[0-9]+]]:gr32 = MOV32ri 4294967295 |
| ; CHECK: [[DEC32r:%[0-9]+]]:gr32 = DEC32r [[MOV32ri]], implicit-def $eflags |
| ; CHECK: [[AND32rr:%[0-9]+]]:gr32 = AND32rr [[DEC32r]], [[COPY]], implicit-def $eflags |
| ; CHECK: $edi = COPY [[AND32rr]] |
| %0(s32) = COPY $edi |
| %1(s32) = G_CONSTANT i32 -1 |
| %2(s32) = G_ADD %1, %1 |
| %3(s32) = G_AND %2, %0 |
| $edi = COPY %3 |
| ... |