1 ; Tests the integrated assembler for instructions with multiple 2 ; relocations. 3 4 ; RUN: %if --need=allow_dump --command %p2i -i %s --args -O2 \ 5 ; RUN: -allow-externally-defined-symbols \ 6 ; RUN: | %if --need=allow_dump --command FileCheck %s 7 8 ; char global_char; 9 ; char *p_global_char; 10 ; void dummy(); 11 ; void store_immediate_to_global() { p_global_char = &global_char; } 12 ; void add_in_place() { p_global_char += (int)&global_char; } 13 ; void cmp_global_immediate() { if (p_global_char == &global_char) dummy(); } 14 15 @global_char = internal global [1 x i8] zeroinitializer, align 1 16 @p_global_char = internal global [4 x i8] zeroinitializer, align 4 17 declare void @dummy() 18 19 define internal void @store_immediate_to_global() { 20 entry: 21 %p_global_char.bc = bitcast [4 x i8]* @p_global_char to i32* 22 %expanded1 = ptrtoint [1 x i8]* @global_char to i32 23 store i32 %expanded1, i32* %p_global_char.bc, align 1 24 ret void 25 } 26 ; CHECK-LABEL: store_immediate_to_global 27 ; CHECK: .long p_global_char 28 ; CHECK: .long global_char 29 30 ; Also exercises the RMW add operation. 31 define internal void @add_in_place() { 32 entry: 33 %p_global_char.bc = bitcast [4 x i8]* @p_global_char to i32* 34 %0 = load i32, i32* %p_global_char.bc, align 1 35 %expanded1 = ptrtoint [1 x i8]* @global_char to i32 36 %gep = add i32 %0, %expanded1 37 %p_global_char.bc3 = bitcast [4 x i8]* @p_global_char to i32* 38 store i32 %gep, i32* %p_global_char.bc3, align 1 39 ret void 40 } 41 ; CHECK-LABEL: add_in_place 42 ; CHECK: .long p_global_char 43 ; CHECK-NEXT: .long global_char 44 45 define internal void @cmp_global_immediate() { 46 entry: 47 %p_global_char.bc = bitcast [4 x i8]* @p_global_char to i32* 48 %0 = load i32, i32* %p_global_char.bc, align 1 49 %expanded1 = ptrtoint [1 x i8]* @global_char to i32 50 %cmp = icmp eq i32 %0, %expanded1 51 br i1 %cmp, label %if.then, label %if.end 52 53 if.then: ; preds = %entry 54 tail call void @dummy() 55 br label %if.end 56 57 if.end: ; preds = %if.then, %entry 58 ret void 59 } 60 ; CHECK-LABEL: cmp_global_immediate 61 ; CHECK: .long p_global_char 62 ; CHECK: .long global_char 63 ; CHECK: .long dummy 64
