22 lines
827 B
LLVM
22 lines
827 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -mtriple=x86_64 -disable-simplify-libcalls -codegenprepare < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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; This is a workaround for PR23093: when building with -mkernel/-fno-builtin,
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; we still generate fortified library calls.
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; Check that we ignore two things:
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; - attribute nobuiltin
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; - TLI::has (always returns false thanks to -disable-simplify-libcalls)
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define void @test_nobuiltin(i8* %dst, i64 %len) {
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; CHECK-LABEL: @test_nobuiltin(
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; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[DST:%.*]], i8 0, i64 [[LEN:%.*]], i1 false) #1
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; CHECK-NEXT: ret void
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;
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call i8* @__memset_chk(i8* %dst, i32 0, i64 %len, i64 -1) nobuiltin
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ret void
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}
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declare i8* @__memset_chk(i8*, i32, i64, i64)
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