merge and filecheckize
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84672 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/SCCP/ipsccp-basic.ll b/test/Transforms/SCCP/ipsccp-basic.ll
index 7f0772e..29d052a 100644
--- a/test/Transforms/SCCP/ipsccp-basic.ll
+++ b/test/Transforms/SCCP/ipsccp-basic.ll
@@ -1,13 +1,74 @@
-; RUN: opt < %s -ipsccp -S | \
-; RUN: grep -v {ret i32 17} | grep -v {ret i32 undef} | not grep ret
+; RUN: opt < %s -ipsccp -S | FileCheck %s
-define internal i32 @bar(i32 %A) {
- %X = add i32 1, 2 ; <i32> [#uses=0]
+;;======================== test1
+
+define internal i32 @test1a(i32 %A) {
+ %X = add i32 1, 2
ret i32 %A
}
+; CHECK: define internal i32 @test1a
+; CHECK: ret i32 undef
-define i32 @foo() {
- %X = call i32 @bar( i32 17 ) ; <i32> [#uses=1]
+define i32 @test1b() {
+ %X = call i32 @test1a( i32 17 )
ret i32 %X
+
+; CHECK: define i32 @test1b
+; CHECK: ret i32 17
}
+
+
+;;======================== test2
+
+define internal i32 @test2a(i32 %A) {
+ %C = icmp eq i32 %A, 0
+ br i1 %C, label %T, label %F
+T:
+ %B = call i32 @test2a( i32 0 )
+ ret i32 0
+F:
+ %C.upgrd.1 = call i32 @test2a(i32 1)
+ ret i32 %C.upgrd.1
+}
+; CHECK: define internal i32 @test2a
+; CHECK-NEXT: br label %T
+; CHECK: ret i32 undef
+
+
+define i32 @test2b() {
+ %X = call i32 @test2a(i32 0)
+ ret i32 %X
+}
+; CHECK: define i32 @test2b
+; CHECK-NEXT: %X = call i32 @test2a(i32 0)
+; CHECK-NEXT: ret i32 0
+
+
+;;======================== test3
+
+@G = internal global i32 undef
+
+define void @test3a() {
+ %X = load i32* @G
+ store i32 %X, i32* @G
+ ret void
+}
+; CHECK: define void @test3a
+; CHECK-NEXT: ret void
+
+
+define i32 @test3b() {
+ %V = load i32* @G
+ %C = icmp eq i32 %V, 17
+ br i1 %C, label %T, label %F
+T:
+ store i32 17, i32* @G
+ ret i32 %V
+F:
+ store i32 123, i32* @G
+ ret i32 0
+}
+; CHECK: define i32 @test3b
+; CHECK-NOT: store
+; CHECK: ret i32 0