| Paul Robinson | 383c5c2 | 2017-02-06 22:19:04 +0000 | [diff] [blame] | 1 | ; RUN: opt -instcombine -S < %s | FileCheck %s |
| 2 | ; |
| 3 | ; Generated with: |
| 4 | ; |
| 5 | ; clang -S -gmlt -emit-llvm test.c -o 1.ll |
| 6 | ; opt -sroa -S 1.ll -o test.ll |
| 7 | ; |
| 8 | ; extern int bar(int i); |
| 9 | ; extern int bar2(int i); |
| 10 | ; |
| 11 | ; int foo(int a, int *d) { |
| 12 | ; if(a) { |
| 13 | ; *d = bar(a); |
| 14 | ; } else { |
| 15 | ; *d = bar2(a); |
| 16 | ; } |
| 17 | ; |
| 18 | ; return a; |
| 19 | ; } |
| 20 | ; |
| 21 | ; CHECK: define {{.*}}@foo |
| 22 | ; CHECK: if.end: |
| 23 | ; CHECK-NEXT: %storemerge = phi |
| 24 | ; This final check is the "real" test, verify no !dbg on the store. |
| 25 | ; CHECK-NEXT: store i32 %storemerge{{.*}}, align 4{{$}} |
| 26 | ; |
| 27 | ; ModuleID = 'test1.ll' |
| 28 | source_filename = "test.c" |
| 29 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 30 | target triple = "x86_64-unknown-linux-gnu" |
| 31 | |
| 32 | ; Function Attrs: noinline nounwind uwtable |
| 33 | define i32 @foo(i32 %a, i32* %d) !dbg !6 { |
| 34 | entry: |
| 35 | %tobool = icmp ne i32 %a, 0, !dbg !8 |
| 36 | br i1 %tobool, label %if.then, label %if.else, !dbg !8 |
| 37 | |
| 38 | if.then: ; preds = %entry |
| 39 | %call = call i32 @bar(i32 %a), !dbg !9 |
| 40 | store i32 %call, i32* %d, align 4, !dbg !10 |
| 41 | br label %if.end, !dbg !11 |
| 42 | |
| 43 | if.else: ; preds = %entry |
| 44 | %call1 = call i32 @bar2(i32 %a), !dbg !12 |
| 45 | store i32 %call1, i32* %d, align 4, !dbg !13 |
| 46 | br label %if.end |
| 47 | |
| 48 | if.end: ; preds = %if.else, %if.then |
| 49 | ret i32 %a, !dbg !14 |
| 50 | } |
| 51 | |
| 52 | declare i32 @bar(i32) |
| 53 | |
| 54 | declare i32 @bar2(i32) |
| 55 | |
| 56 | !llvm.dbg.cu = !{!0} |
| 57 | !llvm.module.flags = !{!3, !4} |
| 58 | |
| 59 | !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2) |
| 60 | !1 = !DIFile(filename: "test.c", directory: "/home/probinson/projects/scratch") |
| 61 | !2 = !{} |
| 62 | !3 = !{i32 2, !"Dwarf Version", i32 4} |
| 63 | !4 = !{i32 2, !"Debug Info Version", i32 3} |
| 64 | !6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 4, type: !7, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) |
| 65 | !7 = !DISubroutineType(types: !2) |
| 66 | !8 = !DILocation(line: 5, column: 6, scope: !6) |
| 67 | !9 = !DILocation(line: 6, column: 12, scope: !6) |
| 68 | !10 = !DILocation(line: 6, column: 10, scope: !6) |
| 69 | !11 = !DILocation(line: 7, column: 3, scope: !6) |
| 70 | !12 = !DILocation(line: 8, column: 12, scope: !6) |
| 71 | !13 = !DILocation(line: 8, column: 10, scope: !6) |
| 72 | !14 = !DILocation(line: 10, column: 3, scope: !6) |