| # RUN: llc -o - %s -mtriple=x86_64-- -run-pass=prologepilog 2>&1 | FileCheck %s |
| --- | |
| define i64 @_Z3foob(i1 zeroext %cond) #0 { |
| ret i64 0 |
| } |
| attributes #0 = {"frame-pointer"="all"} |
| ... |
| --- |
| # If the epilogue bb.1 is a return block, no .cfi_restore is |
| # needed in it. |
| # CHECK: bb.1: |
| # CHECK-NOT: CFI_INSTRUCTION restore |
| # CHECK: RET 0 |
| # CHECK: bb.2: |
| # CHECK: RET 0 |
| name: _Z3foob |
| alignment: 16 |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$edi' } |
| frameInfo: |
| maxAlignment: 1 |
| hasCalls: true |
| savePoint: '%bb.1' |
| restorePoint: '%bb.1' |
| machineFunctionInfo: {} |
| body: | |
| bb.0: |
| liveins: $edi |
| |
| TEST8rr renamable $dil, renamable $dil, implicit-def $eflags, implicit killed $edi |
| JCC_1 %bb.2, 4, implicit killed $eflags |
| JMP_1 %bb.1 |
| |
| bb.1: |
| renamable $rbx = IMPLICIT_DEF |
| renamable $r14 = IMPLICIT_DEF |
| renamable $r15 = IMPLICIT_DEF |
| renamable $r12 = IMPLICIT_DEF |
| renamable $r13 = IMPLICIT_DEF |
| dead $eax = MOV32r0 implicit-def dead $eflags, implicit-def $rax |
| RET 0, killed $rax |
| |
| bb.2: |
| dead $eax = MOV32r0 implicit-def dead $eflags, implicit-def $rax |
| RET 0, killed $rax |
| |
| ... |