1; RUN: opt < %s -add-discriminators -S | FileCheck %s 2 3; Test that the only instructions that receive a new discriminator in 4; the block 'if.then' are those that share the same line number as 5; the branch in 'entry'. 6; 7; Original code: 8; 9; void foo(int i) { 10; int x, y; 11; if (i < 10) { x = i; 12; y = -i; 13; } 14; } 15 16define void @foo(i32 %i) #0 { 17entry: 18 %i.addr = alloca i32, align 4 19 %x = alloca i32, align 4 20 %y = alloca i32, align 4 21 store i32 %i, i32* %i.addr, align 4 22 %0 = load i32* %i.addr, align 4, !dbg !10 23 %cmp = icmp slt i32 %0, 10, !dbg !10 24 br i1 %cmp, label %if.then, label %if.end, !dbg !10 25 26if.then: ; preds = %entry 27 %1 = load i32* %i.addr, align 4, !dbg !12 28 store i32 %1, i32* %x, align 4, !dbg !12 29 30 %2 = load i32* %i.addr, align 4, !dbg !14 31; CHECK: %2 = load i32* %i.addr, align 4, !dbg !15 32 33 %sub = sub nsw i32 0, %2, !dbg !14 34; CHECK: %sub = sub nsw i32 0, %2, !dbg !15 35 36 store i32 %sub, i32* %y, align 4, !dbg !14 37; CHECK: store i32 %sub, i32* %y, align 4, !dbg !15 38 39 br label %if.end, !dbg !15 40; CHECK: br label %if.end, !dbg !16 41 42if.end: ; preds = %if.then, %entry 43 ret void, !dbg !16 44; CHECK: ret void, !dbg !17 45} 46 47attributes #0 = { nounwind 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" } 48 49!llvm.dbg.cu = !{!0} 50!llvm.module.flags = !{!7, !8} 51!llvm.ident = !{!9} 52 53!0 = !{!"0x11\0012\00clang version 3.5 (trunk 199750) (llvm/trunk 199751)\000\00\000\00\000", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [first-only.c] [DW_LANG_C99] 54!1 = !{!"first-only.c", !"."} 55!2 = !{i32 0} 56!3 = !{!4} 57!4 = !{!"0x2e\00foo\00foo\00\001\000\001\000\006\00256\000\001", !1, !5, !6, null, void (i32)* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [foo] 58!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [first-only.c] 59!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 60!7 = !{i32 2, !"Dwarf Version", i32 4} 61!8 = !{i32 1, !"Debug Info Version", i32 2} 62!9 = !{!"clang version 3.5 (trunk 199750) (llvm/trunk 199751)"} 63!10 = !MDLocation(line: 3, scope: !11) 64 65!11 = !{!"0xb\003\000\000", !1, !4} ; [ DW_TAG_lexical_block ] [first-only.c] 66; CHECK: !11 = !{!"0xb\003\000\000", !1, !4} 67 68!12 = !MDLocation(line: 3, scope: !13) 69 70!13 = !{!"0xb\003\000\001", !1, !11} ; [ DW_TAG_lexical_block ] [first-only.c] 71; CHECK: !13 = !{!"0xb\001", !1, !14} ; [ DW_TAG_lexical_block ] [./first-only.c] 72 73!14 = !MDLocation(line: 4, scope: !13) 74; CHECK: !14 = !{!"0xb\003\000\001", !1, !11} 75 76!15 = !MDLocation(line: 5, scope: !13) 77; CHECK: !15 = !MDLocation(line: 4, scope: !14) 78 79!16 = !MDLocation(line: 6, scope: !4) 80; CHECK: !16 = !MDLocation(line: 5, scope: !14) 81; CHECK: !17 = !MDLocation(line: 6, scope: !4) 82 83