forked from OSchip/llvm-project
47 lines
1.2 KiB
LLVM
47 lines
1.2 KiB
LLVM
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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: @test1
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [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: @test2
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [16 x i8]* %B, i64 0, i64 0
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; CHECK-NOT: @strcpy
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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: @test3
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [16 x i8]* %B, i64 0, i64 0
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; CHECK-NOT: @strcpy
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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: @test4
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%B = alloca [16 x i8]
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%dest = getelementptr inbounds [16 x i8]* %B, i64 0, i64 0
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; CHECK-NOT: @strcpy
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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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