36 lines
1.1 KiB
Plaintext
36 lines
1.1 KiB
Plaintext
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# RUN: llc -mtriple=powerpc64le--linux-gnu -stop-after ppc-pre-emit-peephole %s -o - -verify-machineinstrs | FileCheck %s
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---
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# ADDI8 + STFSX can be converted to ADDI8 + STFS even ADDI8 can not be erased.
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name: testFwdOperandKilledAfter
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# CHECK: name: testFwdOperandKilledAfter
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = ADDI8 $x5, 100
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STFSX killed $f1, $zero8, $x3
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; CHECK: STFS killed $f1, 100, $x5
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STD killed $x3, killed $x5, 100
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; CHECK: STD killed $x3, killed $x5, 100
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# No workaround needed for 64-bit register when calling readsRegister()
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name: testReadsSubRegADDI
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# CHECK: name: testReadsSubRegADDI
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = ADDI8 $x5, 100
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; Following instruction $r3 also reads $x3, ADDI8 can not be erased
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; CHECK: $x3 = ADDI8 $x5, 100, implicit-def $r3
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STW $r3, $x5, 100
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; CHECK: STW killed $r3, $x5, 100
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STFSX killed $f1, $zero8, $x3
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; CHECK: STFS killed $f1, 100, $x5
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STD $x5, $x5, 100
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BLR8 implicit $lr8, implicit $rm
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...
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