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Imported Upstream version 5.18.0.167
Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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; RUN: opt -S -basicaa -dse < %s | FileCheck %s
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declare i8* @strcpy(i8* %dest, i8* %src) nounwind
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define void @test1(i8* %src) {
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; CHECK-LABEL: @test1(
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [16 x i8], [16 x i8]* %B, i64 0, i64 0
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; CHECK-NOT: @strcpy
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%call = call i8* @strcpy(i8* %dest, i8* %src)
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; CHECK: ret void
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ret void
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}
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declare i8* @strncpy(i8* %dest, i8* %src, i32 %n) nounwind
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define void @test2(i8* %src) {
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; CHECK-LABEL: @test2(
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [16 x i8], [16 x i8]* %B, i64 0, i64 0
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; CHECK-NOT: @strncpy
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%call = call i8* @strncpy(i8* %dest, i8* %src, i32 12)
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; CHECK: ret void
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ret void
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}
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declare i8* @strcat(i8* %dest, i8* %src) nounwind
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define void @test3(i8* %src) {
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; CHECK-LABEL: @test3(
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [16 x i8], [16 x i8]* %B, i64 0, i64 0
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; CHECK-NOT: @strcat
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%call = call i8* @strcat(i8* %dest, i8* %src)
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; CHECK: ret void
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ret void
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}
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declare i8* @strncat(i8* %dest, i8* %src, i32 %n) nounwind
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define void @test4(i8* %src) {
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; CHECK-LABEL: @test4(
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [16 x i8], [16 x i8]* %B, i64 0, i64 0
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; CHECK-NOT: @strncat
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%call = call i8* @strncat(i8* %dest, i8* %src, i32 12)
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; CHECK: ret void
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ret void
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}
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define void @test5(i8* nocapture %src) {
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; CHECK-LABEL: @test5(
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%dest = alloca [100 x i8], align 16
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%arraydecay = getelementptr inbounds [100 x i8], [100 x i8]* %dest, i64 0, i64 0
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%call = call i8* @strcpy(i8* %arraydecay, i8* %src)
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; CHECK: %call = call i8* @strcpy
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%arrayidx = getelementptr inbounds i8, i8* %call, i64 10
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store i8 97, i8* %arrayidx, align 1
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ret void
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}
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declare void @user(i8* %p)
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define void @test6(i8* %src) {
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; CHECK-LABEL: @test6(
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [16 x i8], [16 x i8]* %B, i64 0, i64 0
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; CHECK: @strcpy
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%call = call i8* @strcpy(i8* %dest, i8* %src)
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; CHECK: @user
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call void @user(i8* %dest)
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; CHECK: ret void
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ret void
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}
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