75 lines
2.4 KiB
LLVM
75 lines
2.4 KiB
LLVM
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; RUN: opt -instcombine -S < %s | FileCheck %s
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;
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; Generated with:
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;
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; clang -S -gmlt -emit-llvm test.c -o 1.ll
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; opt -sroa -S 1.ll -o test.ll
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;
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; extern int bar(int i);
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; extern int bar2(int i);
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;
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; int foo(int a, int *d) {
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; if(a) {
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; *d = bar(a);
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; } else {
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; *d = bar2(a);
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; }
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;
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; return a;
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; }
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;
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; CHECK: define {{.*}}@foo
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; CHECK: if.end:
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; CHECK-NEXT: %storemerge = phi
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;
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; The debug location on the store should be a line-0 location.
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; CHECK-NEXT: store i32 %storemerge{{.*}}, align 4, !dbg [[storeLoc:![0-9]+]]
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; CHECK: [[storeLoc]] = !DILocation(line: 0
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;
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; ModuleID = 'test1.ll'
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source_filename = "test.c"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: noinline nounwind uwtable
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define i32 @foo(i32 %a, i32* %d) !dbg !6 {
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entry:
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%tobool = icmp ne i32 %a, 0, !dbg !8
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br i1 %tobool, label %if.then, label %if.else, !dbg !8
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if.then: ; preds = %entry
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%call = call i32 @bar(i32 %a), !dbg !9
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store i32 %call, i32* %d, align 4, !dbg !10
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br label %if.end, !dbg !11
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if.else: ; preds = %entry
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%call1 = call i32 @bar2(i32 %a), !dbg !12
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store i32 %call1, i32* %d, align 4, !dbg !13
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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ret i32 %a, !dbg !14
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}
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declare i32 @bar(i32)
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declare i32 @bar2(i32)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
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!1 = !DIFile(filename: "test.c", directory: "/home/probinson/projects/scratch")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!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, retainedNodes: !2)
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!7 = !DISubroutineType(types: !2)
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!8 = !DILocation(line: 5, column: 6, scope: !6)
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!9 = !DILocation(line: 6, column: 12, scope: !6)
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!10 = !DILocation(line: 6, column: 10, scope: !6)
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!11 = !DILocation(line: 7, column: 3, scope: !6)
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!12 = !DILocation(line: 8, column: 12, scope: !6)
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!13 = !DILocation(line: 8, column: 10, scope: !6)
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!14 = !DILocation(line: 10, column: 3, scope: !6)
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