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d4c615be8c
Discussed here: http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html In preparation for adding support for named vregs we are changing the sigil for physical registers in MIR to '$' from '%'. This will prevent name clashes of named physical register with named vregs. llvm-svn: 323922
60 lines
1.5 KiB
YAML
60 lines
1.5 KiB
YAML
# This file tests the scenario: ISEL R0, ZERO, RX, CR (X != 0)
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# It also tests redundant liveins ($x7) and killed registers.
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# RUN: llc -ppc-gen-isel=false -run-pass ppc-expand-isel -o - %s | FileCheck %s
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--- |
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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define signext i32 @testExpandISEL(i32 signext %i, i32 signext %j) {
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entry:
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%cmp = icmp sgt i32 %i, 0
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%add = add nsw i32 %i, 1
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%cond = select i1 %cmp, i32 %add, i32 %j
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ret i32 %cond
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}
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...
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---
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name: testExpandISEL
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alignment: 2
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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tracksRegLiveness: true
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liveins:
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- { reg: '$x0' }
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- { reg: '$x3' }
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- { reg: '$x7' }
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 0
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offsetAdjustment: 0
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maxAlignment: 0
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adjustsStack: false
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hasCalls: false
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maxCallFrameSize: 0
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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body: |
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bb.0.entry:
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liveins: $x0, $x3, $x7
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$r5 = ADDI $r3, 1
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$cr0 = CMPWI $r3, 0
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$r0 = ISEL killed $zero, killed $r5, killed $cr0gt, implicit killed $cr0
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; CHECK: BC killed $cr0gt, %[[TRUE:bb.[0-9]+]]
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; CHECK: %[[FALSE:bb.[0-9]+]]
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; CHECK: $r0 = ORI killed $r5, 0
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; CHECK: B %[[SUCCESSOR:bb.[0-9]+]]
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; CHECK: [[TRUE]]
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; CHECK: $r0 = ADDI killed $zero, 0
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$x0 = EXTSW_32_64 killed $r0
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...
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