64 lines
1.8 KiB
Plaintext
64 lines
1.8 KiB
Plaintext
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# RUN: llc -mtriple powerpc64le-unknown-linux-gnu -mcpu=pwr8 -x mir < %s \
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# RUN: -verify-machineinstrs -start-before=ppc-mi-peepholes | FileCheck %s
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---
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name: remove_frsp
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alignment: 16
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $x4
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%1:g8rc = COPY $x4
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%0:g8rc_and_g8rc_nox0 = COPY $x3
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%2:g8rc = RLDICR %1, 2, 61
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%3:f8rc, %4:g8rc_and_g8rc_nox0 = LFSUX %0, killed %2
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%5:f4rc = FRSP killed %3, implicit $rm
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%22:vslrc = SUBREG_TO_REG 1, %5, %subreg.sub_64
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%7:g8rc = LI8 8
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%8:vssrc = XFLOADf32 %4, killed %7
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%23:vslrc = SUBREG_TO_REG 1, %8, %subreg.sub_64
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%10:vsrc = XXPERMDI %23, %22, 0
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%11:vrrc = XVCVDPSP killed %10, implicit $rm
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$v2 = COPY %11
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BLR8 implicit $lr8, implicit $rm, implicit $v2
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...
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# CHECK-LABEL: remove_frsp
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# CHECK: sldi 4, 4, 2
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# CHECK-NEXT: lfsux 0, 3, 4
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# CHECK-NOT: frsp
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# CHECK-NEXT: lfs 1, 8(3)
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# CHECK-NEXT: xxmrghd 0, 1, 0
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# CHECK-NEXT: xvcvdpsp 34, 0
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# CHECK-NEXT: blr
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---
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name: remove_xsrsp
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $x4
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%1:g8rc = COPY $x4
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%0:g8rc_and_g8rc_nox0 = COPY $x3
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%2:g8rc = RLDICR %1, 2, 61
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%3:f8rc, %4:g8rc_and_g8rc_nox0 = LFSUX %0, killed %2
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%5:vssrc = XSRSP killed %3
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%22:vslrc = SUBREG_TO_REG 1, %5, %subreg.sub_64
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%7:g8rc = LI8 8
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%8:vssrc = XFLOADf32 %4, killed %7
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%23:vslrc = SUBREG_TO_REG 1, %8, %subreg.sub_64
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%10:vsrc = XXPERMDI %23, %22, 0
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%11:vrrc = XVCVDPSP killed %10, implicit $rm
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$v2 = COPY %11
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BLR8 implicit $lr8, implicit $rm, implicit $v2
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...
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# CHECK-LABEL: remove_xsrsp
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# CHECK: sldi 4, 4, 2
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# CHECK-NEXT: lfsux 0, 3, 4
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# CHECK-NOT: xsrsp
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# CHECK-NEXT: lfs 1, 8(3)
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# CHECK-NEXT: xxmrghd 0, 1, 0
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# CHECK-NEXT: xvcvdpsp 34, 0
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# CHECK-NEXT: blr
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