1 ; RUN: opt -globalopt -S < %s | FileCheck %s 2 3 @a = internal global i32 0, align 4 4 @b = internal global i32 0, align 4 5 @c = internal global i32 0, align 4 6 @d = internal constant [4 x i8] c"foo\00", align 1 7 @e = linkonce_odr global i32 0 8 9 ; CHECK: @a = internal global i32 0, align 4 10 ; CHECK: @b = internal global i32 0, align 4 11 ; CHECK: @c = internal unnamed_addr global i32 0, align 4 12 ; CHECK: @d = internal unnamed_addr constant [4 x i8] c"foo\00", align 1 13 ; CHECK: @e = linkonce_odr local_unnamed_addr global i32 0 14 15 ; CHECK: define internal fastcc void @used_internal() unnamed_addr { 16 define internal void @used_internal() { 17 ret void 18 } 19 20 define i32 @get_e() { 21 call void @used_internal() 22 %t = load i32, i32* @e 23 ret i32 %t 24 } 25 26 define void @set_e(i32 %x) { 27 store i32 %x, i32* @e 28 ret void 29 } 30 31 define i1 @bah(i64 %i) nounwind readonly optsize ssp { 32 entry: 33 %arrayidx4 = getelementptr inbounds [4 x i8], [4 x i8]* @d, i64 0, i64 %i 34 %tmp5 = load i8, i8* %arrayidx4, align 1 35 %array0 = bitcast [4 x i8]* @d to i8* 36 %tmp6 = load i8, i8* %array0, align 1 37 %cmp = icmp eq i8 %tmp5, %tmp6 38 ret i1 %cmp 39 } 40 41 define void @baz(i32 %x) { 42 entry: 43 store i32 %x, i32* @a, align 4 44 store i32 %x, i32* @b, align 4 45 store i32 %x, i32* @c, align 4 46 ret void 47 } 48 49 define i32 @foo(i32* %x) nounwind readnone optsize ssp { 50 entry: 51 %cmp = icmp eq i32* %x, @a 52 %conv = zext i1 %cmp to i32 53 ret i32 %conv 54 } 55 56 define i32 @bar() { 57 entry: 58 switch i64 ptrtoint (i32* @b to i64), label %sw.epilog [ 59 i64 1, label %return 60 i64 0, label %return 61 ] 62 63 sw.epilog: 64 ret i32 0 65 66 return: 67 ret i32 1 68 } 69 70 define i32 @zed() { 71 entry: 72 %tmp1 = load i32, i32* @c, align 4 73 ret i32 %tmp1 74 } 75
