43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
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# RUN: llc -run-pass=twoaddressinstruction -mtriple=x86_64-- -o - %s -experimental-debug-variable-locations | FileCheck %s
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#
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# REQUIRES: x86-registered-target
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#
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# Test that a new instruction (LEA) is created when the two-addr add below is
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# converted to three address; and that an appropriate substitution is created.
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# Maybe at some point we'll normalise DBG_INSTR_REFs on output, but until then,
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# lets not.
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#
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# CHECK: debugValueSubstitutions:
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# CHECK-NEXT: - { srcinst: 1, srcop: 0, dstinst: 2, dstop: 0 }
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#
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# CHECK: LEA64_32r
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# CHECK-SAME: debug-instr-number 2
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#
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# CHECK: DBG_INSTR_REF 1, 0
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---
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name: test1
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr32 }
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- { id: 1, class: gr32 }
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- { id: 2, class: gr32 }
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liveins:
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- { reg: '$edi', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $edi
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%0:gr32 = COPY killed $edi
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%1:gr32 = SHL32ri killed %0, 5, implicit-def dead $eflags
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%2:gr32 = ADD32ri8_DB killed %1, 3, implicit-def dead $eflags, debug-instr-number 1
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DBG_INSTR_REF 1, 0
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$eax = COPY killed %2
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RET 0, killed $eax
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...
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