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 global i32 0 14 15 define i32 @get_e() { 16 %t = load i32* @e 17 ret i32 %t 18 } 19 20 define void @set_e(i32 %x) { 21 store i32 %x, i32* @e 22 ret void 23 } 24 25 define i1 @bah(i64 %i) nounwind readonly optsize ssp { 26 entry: 27 %arrayidx4 = getelementptr inbounds [4 x i8]* @d, i64 0, i64 %i 28 %tmp5 = load i8* %arrayidx4, align 1 29 %array0 = bitcast [4 x i8]* @d to i8* 30 %tmp6 = load i8* %array0, align 1 31 %cmp = icmp eq i8 %tmp5, %tmp6 32 ret i1 %cmp 33 } 34 35 define void @baz(i32 %x) { 36 entry: 37 store i32 %x, i32* @a, align 4 38 store i32 %x, i32* @b, align 4 39 store i32 %x, i32* @c, align 4 40 ret void 41 } 42 43 define i32 @foo(i32* %x) nounwind readnone optsize ssp { 44 entry: 45 %cmp = icmp eq i32* %x, @a 46 %conv = zext i1 %cmp to i32 47 ret i32 %conv 48 } 49 50 define i32 @bar() { 51 entry: 52 switch i64 ptrtoint (i32* @b to i64), label %sw.epilog [ 53 i64 1, label %return 54 i64 0, label %return 55 ] 56 57 sw.epilog: 58 ret i32 0 59 60 return: 61 ret i32 1 62 } 63 64 define i32 @zed() { 65 entry: 66 %tmp1 = load i32* @c, align 4 67 ret i32 %tmp1 68 } 69
