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https://github.com/RPCS3/llvm-mirror.git
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29c0ba58cf
Summary: In the `ppc-early-ret` pass, we have use `BuildMI` and `copyImplicitOps` when the branch instructions can do the early return. But the two functions will add implicit operands twice, this is not correct. This patch is to remove the redundant implicit operands in `ppc-early-ret pass`. Reviewed By: jsji Differential Revision: https://reviews.llvm.org/D76042
147 lines
4.1 KiB
YAML
147 lines
4.1 KiB
YAML
# RUN: llc -mtriple powerpc64le-unknown-linux-gnu -run-pass=ppc-early-ret -o \
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# RUN: - %s -verify-machineinstrs | FileCheck %s
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---
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name: testBLR
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body: |
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bb.0.entry:
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successors: %bb.1(0x40000000), %bb.2(0x40000000)
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liveins: $r3, $r4
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renamable $cr0 = CMPWI renamable $r3, 0
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BC killed renamable $cr0gt, %bb.1
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B %bb.2
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bb.1.entry:
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successors: %bb.2(0x80000000)
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liveins: $r4
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renamable $r3 = ADDI killed renamable $r4, 0
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bb.2.entry:
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liveins: $r3, $r4, $cr0eq, $cr0lt, $cr0un, $cr0, $cr0gt, $r3, $r3, $r4, $r3, $cr0gt
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BLR implicit $lr, implicit $rm, implicit killed $r3
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; CHECK-LABEL: name: testBLR
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; CHECK: bb.0.entry:
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; CHECK: renamable $cr0 = CMPWI renamable $r3, 0
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; CHECK: BC killed renamable $cr0gt, %bb.1
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; CHECK: BLR implicit $lr, implicit $rm, implicit killed $r3
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; CHECK: bb.1.entry:
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; CHECK: renamable $r3 = ADDI killed renamable $r4, 0
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; CHECK: BLR implicit $lr, implicit $rm, implicit killed $r3
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...
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---
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name: testBCLRn
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body: |
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bb.0.entry:
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successors: %bb.3(0x20000000), %bb.1(0x60000000)
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liveins: $f1, $f2, $f3, $f4, $v2, $v3
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renamable $cr0 = FCMPUS killed renamable $f3, killed renamable $f4
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BCn killed renamable $cr0eq, %bb.3
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bb.1.entry:
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successors: %bb.2(0x80000000)
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liveins: $f1, $f2, $v2, $v3
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renamable $cr0 = FCMPUS killed renamable $f1, killed renamable $f2
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BCLR killed renamable $cr0eq, implicit $lr, implicit $rm, implicit killed $v2
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bb.2:
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successors: %bb.3(0x80000000)
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liveins: $v3
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$v2 = VOR killed $v3, $v3
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bb.3:
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liveins: $v2
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BLR implicit $lr, implicit $rm, implicit killed $v2
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; CHECK-LABEL: name: testBCLRn
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; CHECK: bb.0.entry:
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; CHECK: renamable $cr0 = FCMPUS killed renamable $f3, killed renamable $f4
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; CHECK: BCLRn killed renamable $cr0eq, implicit $lr, implicit $rm, implicit killed $v2
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; CHECK: bb.1.entry:
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; CHECK: renamable $cr0 = FCMPUS killed renamable $f1, killed renamable $f2
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; CHECK: BCLR killed renamable $cr0eq, implicit $lr, implicit $rm, implicit killed $v2
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; CHECK: bb.2:
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; CHECK: $v2 = VOR killed $v3, $v3
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; CHECK: BLR implicit $lr, implicit $rm, implicit killed $v2
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...
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---
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name: testBCLR
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body: |
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bb.0.entry:
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successors: %bb.3(0x20000000), %bb.1(0x60000000)
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liveins: $f1, $f2, $f3, $f4, $v2, $v3
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renamable $cr0 = FCMPUS killed renamable $f3, killed renamable $f4
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BC killed renamable $cr0eq, %bb.3
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bb.1.entry:
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successors: %bb.2(0x80000000)
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liveins: $f1, $f2, $v2, $v3
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renamable $cr0 = FCMPUS killed renamable $f1, killed renamable $f2
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BCLRn killed renamable $cr0eq, implicit $lr, implicit $rm, implicit killed $v2
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bb.2:
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successors: %bb.3(0x80000000)
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liveins: $v3
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$v2 = VOR killed $v3, $v3
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bb.3:
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liveins: $v2
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BLR implicit $lr, implicit $rm, implicit killed $v2
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; CHECK-LABEL: name: testBCLR
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; CHECK: bb.0.entry:
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; CHECK: renamable $cr0 = FCMPUS killed renamable $f3, killed renamable $f4
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; CHECK: BCLR killed renamable $cr0eq, implicit $lr, implicit $rm, implicit killed $v2
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; CHECK: bb.1.entry:
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; CHECK: renamable $cr0 = FCMPUS killed renamable $f1, killed renamable $f2
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; CHECK: BCLRn killed renamable $cr0eq, implicit $lr, implicit $rm, implicit killed $v2
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; CHECK: bb.2:
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; CHECK: $v2 = VOR killed $v3, $v3
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; CHECK: BLR implicit $lr, implicit $rm, implicit killed $v2
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...
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---
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name: testBCCLR
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body: |
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bb.0.entry:
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successors: %bb.2(0x40000000), %bb.1(0x40000000)
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renamable $r4 = LI 0
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renamable $cr0 = CMPLWI killed renamable $r4, 0
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BCC 68, renamable $cr0, %bb.2
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bb.1:
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successors: %bb.2(0x40000000)
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liveins: $cr0
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BCC 68, killed renamable $cr0, %bb.2
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bb.2:
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BLR implicit $lr, implicit $rm
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; CHECK-LABEL: name: testBCCLR
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; CHECK: bb.0.entry:
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; CHECK: renamable $r4 = LI 0
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; CHECK: renamable $cr0 = CMPLWI killed renamable $r4, 0
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; CHECK: BCCLR 68, renamable $cr0, implicit $lr, implicit $rm
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; CHECK: bb.1:
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; CHECK: BCCLR 68, killed renamable $cr0, implicit $lr, implicit $rm
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; CHECK: BLR implicit $lr, implicit $rm
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...
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