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28 lines
884 B
28 lines
884 B
; RUN: opt < %s -instcombine -S | FileCheck %s
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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define void @test1(i8* %a) {
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 false)
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ret void
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; CHECK-LABEL: define void @test1(
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; CHECK-NEXT: ret void
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}
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; PR8267
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define void @test2(i8* %a) {
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 true)
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ret void
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; CHECK-LABEL: define void @test2(
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; CHECK-NEXT: call void @llvm.memcpy
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}
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define void @test3(i8* %d, i8* %s) {
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tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 17179869184, i32 4, i1 false)
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ret void
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; CHECK-LABEL: define void @test3(
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; CHECK-NEXT: call void @llvm.memcpy
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}
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