1; RUN: opt -S -inline %s -o - | FileCheck %s
2; RUN: opt -S -passes='cgscc(inline)' %s -o - | FileCheck %s
3; RUN: opt -S -passes='module-inline' %s -o - | FileCheck %s
4
5; Check that memcpy2 is completely inlined away.
6; CHECK-NOT: memcpy2
7
8@.str = private unnamed_addr constant [2 x i8] c"a\00", align 1
9@.str1 = private unnamed_addr constant [3 x i8] c"ab\00", align 1
10
11; Function Attrs: nounwind ssp uwtable
12define i32 @main(i32 %argc, i8** nocapture readnone %argv) #0 {
13entry:
14  %data = alloca [2 x i8], align 1
15  %arraydecay = getelementptr inbounds [2 x i8], [2 x i8]* %data, i64 0, i64 0
16  call fastcc void @memcpy2(i8* %arraydecay, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), i64 1)
17  call fastcc void @memcpy2(i8* %arraydecay, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str1, i64 0, i64 0), i64 2)
18  ret i32 0
19}
20
21; Function Attrs: inlinehint nounwind ssp uwtable
22define internal fastcc void @memcpy2(i8* nocapture %dst, i8* nocapture readonly %src, i64 %size) #1 {
23entry:
24  %vla = alloca i64, i64 %size, align 16
25  %0 = bitcast i64* %vla to i8*
26  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %src, i64 %size, i1 false)
27  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %0, i64 %size, i1 false)
28  ret void
29}
30
31; Function Attrs: nounwind
32declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #2
33
34attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
35attributes #1 = { inlinehint nounwind ssp uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
36attributes #2 = { nounwind }
37
38!llvm.ident = !{!0}
39
40!0 = !{!"clang version 3.5.0 (trunk 205695) (llvm/trunk 205706)"}
41