| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=riscv64 -debugify-and-strip-all-safe -run-pass machine-sink %s -o - 2>&1 | FileCheck %s |
| |
| --- | |
| define void @sink_addi_fi(i32 %0) !dbg !5 { |
| bb.0: |
| %1 = alloca i32, align 4 |
| call void @llvm.dbg.value(metadata i32* %1, metadata !1, metadata !DIExpression()), !dbg !3 |
| %2 = icmp eq i32 %0, 0 |
| br i1 %2, label %bb.2, label %bb.1 |
| bb.1: |
| store volatile i32 0, i32* %1, align 4 |
| br label %bb.2 |
| bb.2: |
| ret void |
| } |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !4) |
| !1 = !DILocalVariable(name: "var", scope: !5, file: !4, line: 2, type: !2) |
| !2 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) |
| !3 = !DILocation(line: 0, scope: !5) |
| !4 = !DIFile(filename: "test.c", directory: "") |
| !5 = distinct !DISubprogram(name: "sink_addi_fi", scope: !4, file: !4, line: 1, type: !6, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !8) |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{null, !2} |
| !8 = !{} |
| |
| ... |
| --- |
| name: sink_addi_fi |
| liveins: |
| - { reg: '$x10', virtual-reg: '%0' } |
| stack: |
| - { id: 0, offset: 0, size: 4, alignment: 4 } |
| body: | |
| ; CHECK-LABEL: name: sink_addi_fi |
| ; CHECK: bb.0: |
| ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.1(0x40000000) |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x10 |
| ; CHECK-NEXT: BEQ killed [[COPY]], $x0, %bb.2 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: bb.1: |
| ; CHECK-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: [[ADDI:%[0-9]+]]:gpr = ADDI %stack.0, 0 |
| ; CHECK-NEXT: SW $x0, killed [[ADDI]], 0 :: (volatile store (s32) into %stack.0) |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: bb.2: |
| ; CHECK-NEXT: PseudoRET |
| bb.0: |
| liveins: $x10 |
| %0:gpr = COPY $x10 |
| DBG_VALUE %stack.0, $noreg, !1, !DIExpression(), debug-location !3 |
| %1:gpr = ADDI %stack.0, 0 |
| DBG_VALUE %1, $noreg, !1, !DIExpression(DW_OP_plus_uconst, 0, DW_OP_stack_value), debug-location !3 |
| BEQ killed %0:gpr, $x0, %bb.2 |
| bb.1: |
| SW $x0, killed %1:gpr, 0 :: (volatile store (s32) into %stack.0, align 4) |
| bb.2: |
| PseudoRET |