Home | History | Annotate | Download | only in GlobalOpt
      1 ; RUN: opt -globalopt -S -o - < %s | FileCheck %s
      2 
      3 @glbl = internal global i8* null
      4 
      5 define void @test1a() {
      6 ; CHECK-LABEL: @test1a(
      7 ; CHECK-NOT: store
      8 ; CHECK-NEXT: ret void
      9   store i8* null, i8** @glbl
     10   ret void
     11 }
     12 
     13 define void @test1b(i8* %p) {
     14 ; CHECK-LABEL: @test1b(
     15 ; CHECK-NEXT: store
     16 ; CHECK-NEXT: ret void
     17   store i8* %p, i8** @glbl
     18   ret void
     19 }
     20 
     21 define void @test2() {
     22 ; CHECK-LABEL: @test2(
     23 ; CHECK: alloca i8
     24   %txt = alloca i8
     25   call void @foo2(i8* %txt)
     26   %call2 = call i8* @strdup(i8* %txt)
     27   store i8* %call2, i8** @glbl
     28   ret void
     29 }
     30 declare i8* @strdup(i8*)
     31 declare void @foo2(i8*)
     32 
     33 define void @test3() uwtable {
     34 ; CHECK-LABEL: @test3(
     35 ; CHECK-NOT: bb1:
     36 ; CHECK-NOT: bb2:
     37 ; CHECK: invoke
     38   %ptr = invoke i8* @_Znwm(i64 1)
     39           to label %bb1 unwind label %bb2
     40 bb1:
     41   store i8* %ptr, i8** @glbl
     42   unreachable
     43 bb2:
     44   %tmp1 = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0
     45           cleanup
     46   resume { i8*, i32 } %tmp1
     47 }
     48 declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*)
     49 declare i8* @_Znwm(i64)
     50