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43 lines
984 B
43 lines
984 B
# RUN: llvm-mc -filetype=obj -triple x86_64 --x86-align-branch-boundary=32 --x86-align-branch=fused+jcc %s | llvm-objdump -d --no-show-raw-insn - | FileCheck %s
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# Exercise cases where fused instructions need to be aligned.
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.text
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.globl foo
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foo:
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.p2align 5
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.rept 30
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int3
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.endr
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# 'cmp %rax, %rbp' is macro fused with 'jne foo',
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# so we need to align the pair.
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# CHECK: 20: cmpq %rax, %rbp
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# CHECK: 23: jne
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cmp %rax, %rbp
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jne foo
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int3
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.p2align 5
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.rept 28
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int3
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.endr
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# 'cmp %rax, %rbp' is fusible but can not fused with `jo foo`,
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# so we only need to align 'jo foo'.
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# CHECK: 5c: cmpq %rax, %rbp
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cmp %rax, %rbp
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# CHECK: 60: jo
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jo foo
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int3
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.p2align 5
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.rept 26
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int3
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.endr
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# The second 'cmp %rax, %rbp' is macro fused with 'jne foo'.
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cmp %rax, %rbp
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# CHECK: a0: cmpq %rax, %rbp
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# CHECK: a3: jne
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cmp %rax, %rbp
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jne foo
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int3
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