| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -o - %s -verify-machineinstrs -mtriple=s390x-linux-gnu -mcpu=z196 -run-pass=livevars,twoaddressinstruction | FileCheck %s |
| |
| # Check that the COPY from [[COPY3]] is not killed because there is a subsequent |
| # use of [[COPY3]] in the INLINEASM instruction. |
| --- |
| name: f2 |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $r2l |
| |
| ; CHECK-LABEL: name: f2 |
| ; CHECK: liveins: $r2l |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32bit = COPY killed $r2l |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:grh32bit = COPY [[COPY]] |
| ; CHECK-NEXT: $r2l = COPY [[COPY]] |
| ; CHECK-NEXT: $r3l = COPY killed [[COPY]] |
| ; CHECK-NEXT: [[COPY2:%[0-9]+]]:grh32bit = COPY killed [[COPY1]] |
| ; CHECK-NEXT: INLINEASM &"stepa $1, $2, $3", 0 /* attdialect */, 393226 /* regdef:GRH32Bit */, def [[COPY2]], 2147483657 /* reguse tiedto:$0 */, [[COPY2]](tied-def 3), 9 /* reguse */, killed $r2l, 9 /* reguse */, killed $r3l |
| ; CHECK-NEXT: [[COPY3:%[0-9]+]]:grh32bit = COPY killed [[COPY2]] |
| ; CHECK-NEXT: [[COPY4:%[0-9]+]]:grh32bit = COPY [[COPY3]] |
| ; CHECK-NEXT: INLINEASM &"stepb $1, $2", 0 /* attdialect */, 393227 /* regdef-ec:GRH32Bit */, def early-clobber [[COPY4]], 2147483657 /* reguse tiedto:$0 */, [[COPY4]](tied-def 3), 393225 /* reguse:GRH32Bit */, [[COPY3]] |
| ; CHECK-NEXT: $r2l = COPY killed [[COPY4]] |
| ; CHECK-NEXT: Return implicit killed $r2l |
| %0:gr32bit = COPY killed $r2l |
| %2:grh32bit = COPY %0 |
| $r2l = COPY %0 |
| $r3l = COPY killed %0 |
| INLINEASM &"stepa $1, $2, $3", 0 /* attdialect */, 393226 /* regdef:GRH32Bit */, def %1:grh32bit, 2147483657 /* reguse tiedto:$0 */, killed %2(tied-def 3), 9 /* reguse */, killed $r2l, 9 /* reguse */, killed $r3l |
| %4:grh32bit = COPY killed %1 |
| INLINEASM &"stepb $1, $2", 0 /* attdialect */, 393227 /* regdef-ec:GRH32Bit */, def early-clobber %3:grh32bit, 2147483657 /* reguse tiedto:$0 */, killed %4(tied-def 3), 393225 /* reguse:GRH32Bit */, %4 |
| $r2l = COPY killed %3 |
| Return implicit killed $r2l |
| ... |