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