Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/DebugInfo/Generic/simplifycfg_sink_last_inst.ll

@@ -1,110 +0,0 @@
-; RUN: opt -simplifycfg -sink-common-insts -S < %s | FileCheck %s
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-; Simplify CFG will try to sink the last instruction in a series of basic
-; blocks, creating a "common" instruction in the successor block.  If the
-; debug locations of the commoned instructions have different file/line
-; numbers the debug location of the common instruction should not be set.
-
-; Generated from source:
-
-; extern int foo(void);
-; extern int bar(void);
-; 
-; int test(int a, int b) {
-;   if(a)
-;     b -= foo();
-;   else
-;     b -= bar();
-;   return b;
-; }
-
-; CHECK: define i32 @test
-; CHECK-LABEL: if.end:
-; CHECK: %[[PHI:.*]] = phi i32 [ %call1, %if.else ], [ %call, %if.then ]
-; CHECK: sub nsw i32 %b, %[[PHI]]
-; CHECK-NOT: !dbg
-; CHECK: ret i32
-
-define i32 @test(i32 %a, i32 %b) !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 @foo(), !dbg !9
-  %sub = sub nsw i32 %b, %call, !dbg !10
-  br label %if.end, !dbg !11
-
-if.else:                                          ; preds = %entry
-  %call1 = call i32 @bar(), !dbg !12
-  %sub2 = sub nsw i32 %b, %call1, !dbg !13
-  br label %if.end
-
-if.end:                                           ; preds = %if.else, %if.then
-  %b.addr.0 = phi i32 [ %sub, %if.then ], [ %sub2, %if.else ]
-  ret i32 %b.addr.0, !dbg !14
-}
-
-; When the commoned instructions have the same debug location, this location
-; should be used as the location of the common instruction.
-
-; Generated from source (with -mllvm -no-discriminators and -gno-column-info):
-
-; int test2(int a, int b) {
-;   if(a) b -= foo(); else b -= bar();
-;   return b;
-; }
-
-; CHECK: define i32 @test2
-; CHECK-LABEL: if.end:
-; CHECK: %[[PHI:.*]] = phi i32 [ %call1, %if.else ], [ %call, %if.then ]
-; CHECK: sub nsw i32 %b, %[[PHI]], !dbg ![[DBG:.*]]
-; CHECK: ret i32
-; CHECK: ![[DBG]] = !DILocation(line: 17, scope: !{{.*}})
-
-define i32 @test2(i32 %a, i32 %b) !dbg !15 {
-entry:
-  %tobool = icmp ne i32 %a, 0, !dbg !16
-  br i1 %tobool, label %if.then, label %if.else, !dbg !16
-
-if.then:                                          ; preds = %entry
-  %call = call i32 @foo(), !dbg !16
-  %sub = sub nsw i32 %b, %call, !dbg !16
-  br label %if.end, !dbg !16
-
-if.else:                                          ; preds = %entry
-  %call1 = call i32 @bar(), !dbg !16
-  %sub2 = sub nsw i32 %b, %call1, !dbg !16
-  br label %if.end
-
-if.end:                                           ; preds = %if.else, %if.then
-  %b.addr.0 = phi i32 [ %sub, %if.then ], [ %sub2, %if.else ]
-  ret i32 %b.addr.0, !dbg !17
-}
-
-declare i32 @foo()
-declare i32 @bar()
-
-!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: "")
-!2 = !{}
-!3 = !{i32 2, !"Dwarf Version", i32 4}
-!4 = !{i32 2, !"Debug Info Version", i32 3}
-!6 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 8, type: !7, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
-!7 = !DISubroutineType(types: !2)
-!8 = !DILocation(line: 9, column: 6, scope: !6)
-!9 = !DILocation(line: 10, column: 10, scope: !6)
-!10 = !DILocation(line: 10, column: 7, scope: !6)
-!11 = !DILocation(line: 10, column: 5, scope: !6)
-!12 = !DILocation(line: 12, column: 10, scope: !6)
-!13 = !DILocation(line: 12, column: 7, scope: !6)
-!14 = !DILocation(line: 13, column: 3, scope: !6)
-!15 = distinct !DISubprogram(name: "test2", scope: !1, file: !1, line: 16, type: !7, isLocal: false, isDefinition: true, scopeLine: 16, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
-!16 = !DILocation(line: 17, scope: !15)
-!17 = !DILocation(line: 18, scope: !15)