[PGO] make profile prefix even shorter and more readable

[oota-llvm.git] / test / Transforms / SimplifyCFG / basictest.ll

diff --git a/test/Transforms/SimplifyCFG/basictest.ll b/test/Transforms/SimplifyCFG/basictest.ll
index 18fa8978ca12fd764a011567b7616fdc76b7acf3..d4a9c81e506d7da078ae15b35cba7131f1e74f55 100644 (file)
--- a/test/Transforms/SimplifyCFG/basictest.ll
+++ b/test/Transforms/SimplifyCFG/basictest.ll
@@ -1,24 +1,84 @@
-; Test CFG simplify removal of branch instructions...
+; Test CFG simplify removal of branch instructions.
 ;
-; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | not grep br
+; RUN: opt < %s -simplifycfg -S | FileCheck %s
+; RUN: opt < %s -passes=simplify-cfg -S | FileCheck %s
 
+define void @test1() {
+        br label %1
+        ret void
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: ret void
+}
 
-void "test1"() {
-       br label %BB1
-BB1:
-       ret void
+define void @test2() {
+        ret void
+        ret void
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: ret void
+; CHECK-NEXT: }
 }
 
-void "test2"() {
-       ret void
-BB1:
-       ret void
+define void @test3(i1 %T) {
+        br i1 %T, label %1, label %1
+        ret void
+; CHECK-LABEL: @test3(
+; CHECK-NEXT: ret void
 }
 
-void "test3"(bool %T) {
-       br bool %T, label %BB1, label %BB1
-BB1:
-       ret void
+
+; PR5795
+define void @test5(i32 %A) {
+  switch i32 %A, label %return [
+    i32 2, label %1
+    i32 10, label %2
+  ]
+
+  ret void
+
+  ret void
+
+return:                                           ; preds = %entry
+  ret void
+; CHECK-LABEL: @test5(
+; CHECK-NEXT: ret void
+}
+
+
+; PR14893
+define i8 @test6f() {
+; CHECK-LABEL: @test6f
+; CHECK: alloca i8, align 1
+; CHECK-NEXT: call i8 @test6g
+; CHECK-NEXT: icmp eq i8 %tmp, 0
+; CHECK-NEXT: load i8, i8* %r, align 1, !dbg !{{[0-9]+$}}
+
+bb0:
+  %r = alloca i8, align 1
+  %tmp = call i8 @test6g(i8* %r)
+  %tmp1 = icmp eq i8 %tmp, 0
+  br i1 %tmp1, label %bb2, label %bb1
+bb1:
+  %tmp3 = load i8, i8* %r, align 1, !range !2, !tbaa !1, !dbg !5
+  %tmp4 = icmp eq i8 %tmp3, 1
+  br i1 %tmp4, label %bb2, label %bb3
+bb2:
+  br label %bb3
+bb3:
+  %tmp6 = phi i8 [ 0, %bb2 ], [ 1, %bb1 ]
+  ret i8 %tmp6
 }
+declare i8 @test6g(i8*)
 
+!llvm.dbg.cu = !{!3}
+!llvm.module.flags = !{!8, !9}
 
+!0 = !{!1, !1, i64 0}
+!1 = !{!"foo"}
+!2 = !{i8 0, i8 2}
+!3 = distinct !DICompileUnit(language: DW_LANG_C99, file: !7, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !4, subprograms: !4, globals: !4)
+!4 = !{}
+!5 = !DILocation(line: 23, scope: !6)
+!6 = distinct !DISubprogram(name: "foo", scope: !3, file: !7, line: 1, type: !DISubroutineType(types: !4), isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, variables: !4)
+!7 = !DIFile(filename: "foo.c", directory: "/")
+!8 = !{i32 2, !"Dwarf Version", i32 2}
+!9 = !{i32 2, !"Debug Info Version", i32 3}