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21 lines
840 B
LLVM
21 lines
840 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+clzero | FileCheck %s --check-prefix=GENERIC
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=znver1 | FileCheck %s --check-prefix=ZNVER1
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define void @test_clzero(i8* %p) {
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; GENERIC-LABEL: test_clzero:
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; GENERIC: # %bb.0:
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; GENERIC-NEXT: leaq (%rdi), %rax # sched: [1:0.50]
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; GENERIC-NEXT: clzero # sched: [100:0.33]
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; GENERIC-NEXT: retq # sched: [1:1.00]
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;
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; ZNVER1-LABEL: test_clzero:
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; ZNVER1: # %bb.0:
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; ZNVER1-NEXT: leaq (%rdi), %rax # sched: [1:0.25]
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; ZNVER1-NEXT: clzero # sched: [100:?]
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; ZNVER1-NEXT: retq # sched: [1:0.50]
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tail call void @llvm.x86.clzero(i8* %p)
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ret void
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}
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declare void @llvm.x86.clzero(i8*)
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