You've already forked linux-packaging-mono
73 lines
2.3 KiB
LLVM
73 lines
2.3 KiB
LLVM
|
; RUN: opt -instcombine -S < %s | FileCheck %s
|
||
|
|
;
|
||
|
|
; Generated with:
|
||
|
|
;
|
||
|
|
; clang -S -gmlt -emit-llvm test.c -o 1.ll
|
||
|
|
; opt -sroa -S 1.ll -o test.ll
|
||
|
|
;
|
||
|
|
; extern int bar(int i);
|
||
|
|
; extern int bar2(int i);
|
||
|
|
;
|
||
|
|
; int foo(int a, int *d) {
|
||
|
|
; if(a) {
|
||
|
|
; *d = bar(a);
|
||
|
|
; } else {
|
||
|
|
; *d = bar2(a);
|
||
|
|
; }
|
||
|
|
;
|
||
|
|
; return a;
|
||
|
|
; }
|
||
|
|
;
|
||
|
|
; CHECK: define {{.*}}@foo
|
||
|
|
; CHECK: if.end:
|
||
|
|
; CHECK-NEXT: %storemerge = phi
|
||
|
|
; This final check is the "real" test, verify no !dbg on the store.
|
||
|
|
; CHECK-NEXT: store i32 %storemerge{{.*}}, align 4{{$}}
|
||
|
|
;
|
||
|
|
; ModuleID = 'test1.ll'
|
||
|
|
source_filename = "test.c"
|
||
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
; Function Attrs: noinline nounwind uwtable
|
||
|
|
define i32 @foo(i32 %a, i32* %d) !dbg !6 {
|
||
|
|
entry:
|
||
|
|
%tobool = icmp ne i32 %a, 0, !dbg !8
|
||
|
|
br i1 %tobool, label %if.then, label %if.else, !dbg !8
|
||
|
|
|
||
|
|
if.then: ; preds = %entry
|
||
|
|
%call = call i32 @bar(i32 %a), !dbg !9
|
||
|
|
store i32 %call, i32* %d, align 4, !dbg !10
|
||
|
|
br label %if.end, !dbg !11
|
||
|
|
|
||
|
|
if.else: ; preds = %entry
|
||
|
|
%call1 = call i32 @bar2(i32 %a), !dbg !12
|
||
|
|
store i32 %call1, i32* %d, align 4, !dbg !13
|
||
|
|
br label %if.end
|
||
|
|
|
||
|
|
if.end: ; preds = %if.else, %if.then
|
||
|
|
ret i32 %a, !dbg !14
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i32 @bar(i32)
|
||
|
|
|
||
|
|
declare i32 @bar2(i32)
|
||
|
|
|
||
|
|
!llvm.dbg.cu = !{!0}
|
||
|
|
!llvm.module.flags = !{!3, !4}
|
||
|
|
|
||
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
|
||
|
|
!1 = !DIFile(filename: "test.c", directory: "/home/probinson/projects/scratch")
|
||
|
|
!2 = !{}
|
||
|
|
!3 = !{i32 2, !"Dwarf Version", i32 4}
|
||
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
||
|
|
!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)
|
||
|
|
!7 = !DISubroutineType(types: !2)
|
||
|
|
!8 = !DILocation(line: 5, column: 6, scope: !6)
|
||
|
|
!9 = !DILocation(line: 6, column: 12, scope: !6)
|
||
|
|
!10 = !DILocation(line: 6, column: 10, scope: !6)
|
||
|
|
!11 = !DILocation(line: 7, column: 3, scope: !6)
|
||
|
|
!12 = !DILocation(line: 8, column: 12, scope: !6)
|
||
|
|
!13 = !DILocation(line: 8, column: 10, scope: !6)
|
||
|
|
!14 = !DILocation(line: 10, column: 3, scope: !6)
|