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| # RUN: llc -verify-machineinstrs -start-before=ppc-pre-emit-peephole %s -o - | FileCheck %s
--- |
target datalayout = "e-m:e-i64:64-n32:64"
target triple = "powerpc64le-unknown-linux-gnu"
declare signext i32 @callee(i32 signext)
define signext i32 @func(i32 signext %v) {
ret i32 0
}
...
---
name: func
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
registers:
liveins:
- { reg: '$x3', virtual-reg: '' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 48
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: true
hasCalls: true
stackProtector: ''
maxCallFrameSize: 32
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 0
savePoint: ''
restorePoint: ''
fixedStack:
- { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16, stack-id: default,
callee-saved-register: '$x30', callee-saved-restored: true, debug-info-variable: '',
debug-info-expression: '', debug-info-location: '' }
stack:
constants:
body: |
bb.0:
successors: %bb.2(0x30000000), %bb.1(0x50000000)
liveins: $x3, $x30
; bc should be converted into b
; CHECK-LABEL: func
; CHECK: # %bb.1
; CHECK: creqv
; CHECK-NOT: bc
; CHECK: b .LBB0_3
; CHECK: .LBB0_2
$x0 = MFLR8 implicit $lr8
STD killed $x0, 16, $x1
$x1 = STDU $x1, -48, $x1
STD killed $x30, 32, $x1 :: (store 8 into %fixed-stack.0, align 16)
$x30 = OR8 $x3, $x3
BL8_NOP @callee, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit $x2, implicit-def $r1, implicit-def $x3
renamable $cr0 = CMPLWI renamable $r3, 0
BCC 76, killed renamable $cr0, %bb.2
bb.1:
successors: %bb.5(0x40000000), %bb.2(0x40000000)
liveins: $x3
renamable $x3 = EXTSW_32_64 killed renamable $r3, implicit $x3
BL8_NOP @callee, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit $x2, implicit-def $r1, implicit-def $x3
renamable $cr2un = CRSET
$cr2gt = CROR $cr2un, $cr2un
$x30 = OR8 killed $x3, $x3
BC killed renamable $cr2un, %bb.5
B %bb.2
bb.4:
successors: %bb.5(0x80000000)
liveins: $x30
$x3 = LI8 0
BL8_NOP @callee, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit $x2, implicit-def $r1, implicit-def dead $x3
bb.5:
liveins: $x30, $cr0gt
renamable $x3 = EXTSW_32_64 killed renamable $r30, implicit $x30
$x30 = LD 32, $x1 :: (load 8 from %fixed-stack.0, align 16)
$x1 = ADDI8 $x1, 48
$x0 = LD 16, $x1
MTLR8 killed $x0, implicit-def $lr8
BLR8 implicit $lr8, implicit $rm, implicit killed $x3
bb.2:
successors: %bb.5(0x40000000), %bb.4(0x40000000)
liveins: $x30
renamable $cr0 = CMPWI renamable $r30, -1
BCn killed renamable $cr0gt, %bb.4
B %bb.5
...
|