# RUN: llc -mtriple powerpc64le-unknown-linux-gnu -x mir -mcpu=pwr8 -mattr=-altivec \ # RUN: -run-pass=prologepilog --verify-machineinstrs < %s | \ # RUN: FileCheck %s --check-prefixes=CHECK,SAVEONE # RUN: llc -mtriple powerpc64-unknown-linux-gnu -x mir -mcpu=pwr7 -mattr=-altivec \ # RUN: -run-pass=prologepilog --verify-machineinstrs < %s | \ # RUN: FileCheck %s --check-prefixes=CHECK,SAVEALL # RUN: llc -mtriple powerpc64-unknown-aix-xcoff -x mir -mcpu=pwr4 -mattr=-altivec \ # RUN: -run-pass=prologepilog --verify-machineinstrs < %s | \ # RUN: FileCheck %s --check-prefixes=CHECK,SAVEALL --- name: CRAllSave alignment: 16 tracksRegLiveness: true liveins: - { reg: '$x3', virtual-reg: '' } body: | bb.0.entry: liveins: $x3 renamable $x29 = ANDI8_rec killed renamable $x3, 1, implicit-def dead $cr0, implicit-def $cr0gt renamable $cr2lt = COPY $cr0gt renamable $cr4lt = COPY $cr0gt renamable $x3 = COPY $x29 BLR8 implicit $lr8, implicit $rm, implicit $x3 ; CHECK-LABEL: fixedStack: ; CHECK-NEXT: - { id: 0, type: spill-slot, offset: -24, size: 8, alignment: 8, stack-id: default, ; CHECK-NEXT: callee-saved-register: '$x29', callee-saved-restored: true, debug-info-variable: '', ; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' } ; CHECK-NEXT: - { id: 1, type: default, offset: 8, size: 4, alignment: 8, stack-id: default, ; CHECK-NEXT: isImmutable: true, isAliased: false, callee-saved-register: '$cr4', ; CHECK-NEXT: callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', ; CHECK-NEXT: debug-info-location: '' } ; CHECK-LABEL: stack: ; Verify the proper live-ins have been added in the prologue. ; CHECK: liveins: $x3, $x29, $cr2, $cr4 ; CHECK: $x12 = MFCR8 implicit killed $cr2, implicit killed $cr4 ; CHECK-DAG: STD killed $x29, -24, $x1 :: (store 8 into %fixed-stack.0) ; CHECK-DAG: STW8 killed $x12, 8, $x1 ; CHECK: $x29 = LD -24, $x1 :: (load 8 from %fixed-stack.0) ; CHECK: $x12 = LWZ8 8, $x1 ; CHECK: $cr2 = MTOCRF8 $x12 ; CHECK: $cr4 = MTOCRF8 killed $x12 ... --- name: CR2Save alignment: 16 tracksRegLiveness: true liveins: - { reg: '$x3', virtual-reg: '' } body: | bb.0.entry: liveins: $x3 renamable $x14 = ANDI8_rec killed renamable $x3, 1, implicit-def dead $cr0, implicit-def $cr0gt renamable $cr2lt = COPY $cr0gt renamable $x3 = COPY $x14 BLR8 implicit $lr8, implicit $rm, implicit $x3 ; CHECK-LABEL: CR2Save ; CHECK-LABEL: fixedStack: ; CHECK-NEXT: - { id: 0, type: spill-slot, offset: -144, size: 8, alignment: 16, stack-id: default, ; CHECK-NEXT: callee-saved-register: '$x14', callee-saved-restored: true, debug-info-variable: '', ; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' } ; CHECK-NEXT: - { id: 1, type: default, offset: 8, size: 4, alignment: 8, stack-id: default, ; CHECK-NEXT: isImmutable: true, isAliased: false, callee-saved-register: '$cr2', ; CHECK-NEXT: callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '', ; CHECK-NEXT: debug-info-location: '' } ; CHECK-LABEL: stack: ; Verify the proper live-ins have been added in the prologue. ; CHECK: liveins: $x3, $x14, $cr2 ; ELF V2 ABI allows saving only the clobbered cr fields, ; whereas the other ABIs do not. ; SAVEONE: $x12 = MFOCRF8 killed $cr2 ; SAVEALL: $x12 = MFCR8 implicit killed $cr2 ; CHECK-DAG: STD killed $x14, -144, $x1 :: (store 8 into %fixed-stack.0, align 16) ; CHECK-DAG: STW8 killed $x12, 8, $x1 ; CHECK: $x14 = LD -144, $x1 :: (load 8 from %fixed-stack.0, align 16) ; CHECK: $x12 = LWZ8 8, $x1 ; CHECK: $cr2 = MTOCRF8 killed $x12 ...