Fixed reverted commit rL312318
This patch contains fix for reverted commit
rL312318 which was causing failure due to use
of unchecked dyn_cast to CIInit.
Patch by: Nikola Prica.
llvm-svn: 313870
diff --git a/llvm/test/Transforms/GlobalOpt/shrink-address-to-bool.ll b/llvm/test/Transforms/GlobalOpt/shrink-address-to-bool.ll
new file mode 100644
index 0000000..c4e4b98
--- /dev/null
+++ b/llvm/test/Transforms/GlobalOpt/shrink-address-to-bool.ll
@@ -0,0 +1,46 @@
+;RUN: opt -S -globalopt -f %s | FileCheck %s
+
+;CHECK: @foo = {{.*}}, !dbg !0
+@foo = global i64 ptrtoint ([1 x i64]* @baa to i64), align 8, !dbg !0
+@baa = common global [1 x i64] zeroinitializer, align 8, !dbg !6
+
+; Function Attrs: noinline nounwind optnone uwtable
+define void @fun() #0 !dbg !16 {
+entry:
+ %0 = load i64, i64* @foo, align 8, !dbg !19
+ %1 = inttoptr i64 %0 to i64*, !dbg !19
+ %cmp = icmp ugt i64* getelementptr inbounds ([1 x i64], [1 x i64]* @baa, i32 0, i32 0), %1, !dbg !20
+ %conv = zext i1 %cmp to i32, !dbg !20
+ store i64 0, i64* @foo, align 8, !dbg !21
+ ret void, !dbg !22
+}
+
+attributes #0 = { noinline nounwind optnone uwtable }
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!12, !13, !14}
+!llvm.ident = !{!15}
+
+!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
+!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 2, type: !9, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
+!3 = !DIFile(filename: "shrink-address-to-bool.c", directory: "/")
+!4 = !{}
+!5 = !{!0, !6}
+!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
+!7 = distinct !DIGlobalVariable(name: "baa", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true)
+!8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 64, elements: !10)
+!9 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)
+!10 = !{!11}
+!11 = !DISubrange(count: 1)
+!12 = !{i32 2, !"Dwarf Version", i32 4}
+!13 = !{i32 2, !"Debug Info Version", i32 3}
+!14 = !{i32 1, !"wchar_size", i32 4}
+!15 = !{!"clang version 6.0.0 "}
+!16 = distinct !DISubprogram(name: "fun", scope: !3, file: !3, line: 4, type: !17, isLocal: false, isDefinition: true, scopeLine: 4, isOptimized: false, unit: !2, variables: !4)
+!17 = !DISubroutineType(types: !18)
+!18 = !{null}
+!19 = !DILocation(line: 5, column: 9, scope: !16)
+!20 = !DILocation(line: 5, column: 7, scope: !16)
+!21 = !DILocation(line: 6, column: 7, scope: !16)
+!22 = !DILocation(line: 7, column: 1, scope: !16)