38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=aarch64-unknown-linux-gnu | FileCheck %s
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
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declare void @llvm.memset.inline.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
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define void @test1(i8* %a, i8 %value) nounwind {
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; CHECK-LABEL: test1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
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; CHECK-NEXT: mov x8, #72340172838076673
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; CHECK-NEXT: and x9, x1, #0xff
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; CHECK-NEXT: mul x8, x9, x8
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; CHECK-NEXT: str x8, [x0]
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; CHECK-NEXT: ret
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tail call void @llvm.memset.inline.p0i8.i64(i8* %a, i8 %value, i64 8, i1 0)
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ret void
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}
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define void @regular_memset_calls_external_function(i8* %a, i8 %value) nounwind {
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; CHECK-LABEL: regular_memset_calls_external_function:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov w2, #1024
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; CHECK-NEXT: b memset
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tail call void @llvm.memset.p0i8.i64(i8* %a, i8 %value, i64 1024, i1 0)
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ret void
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}
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define void @inlined_set_doesnt_call_external_function(i8* %a, i8 %value) nounwind {
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; CHECK-LABEL: inlined_set_doesnt_call_external_function:
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; CHECK: // %bb.0:
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; CHECK-NEXT: dup v0.16b, w1
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; CHECK-NEXT: stp q0, q0, [x0]
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; CHECK-NEXT: stp q0, q0, [x0, #32]
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tail call void @llvm.memset.inline.p0i8.i64(i8* %a, i8 %value, i64 1024, i1 0)
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ret void
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}
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