* Add a test case for StrLenOptimization

* Rename ExitInMain and StrCat tests so they don't have the date the
  regression was entered since they are feature tests, not regressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21558 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/SimplifyLibCalls/2005-04-24-ExitInMain.ll b/test/Transforms/SimplifyLibCalls/2005-04-24-ExitInMain.ll
deleted file mode 100644 (file)
index 29f69d1..0000000
--- a/test/Transforms/SimplifyLibCalls/2005-04-24-ExitInMain.ll
+++ /dev/null
@@ -1,13 +0,0 @@
-; Test that the ExitInMainOptimization pass works correctly
-; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep -c 'ret int 3' | grep 1
-
-declare void %exit(int)
-declare void %exitonly(int)
-
-implementation   ; Functions:
-
-int %main () {
-        call void %exitonly ( int 3 )
-        call void %exit ( int 3 )
-        ret int 0
-}

diff --git a/test/Transforms/SimplifyLibCalls/2005-04-24-strcat.ll b/test/Transforms/SimplifyLibCalls/2005-04-24-strcat.ll
deleted file mode 100644 (file)
index 992837f..0000000
--- a/test/Transforms/SimplifyLibCalls/2005-04-24-strcat.ll
+++ /dev/null
@@ -1,24 +0,0 @@
-; Test that the StrCatOptimizer works correctly
-; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strcat'
-
-declare sbyte* %strcat(sbyte*,sbyte*)
-declare int %puts(sbyte*)
-%hello = constant [6 x sbyte] c"hello\00"
-%null = constant [1 x sbyte] c"\00"
-%null_hello = constant [7 x sbyte] c"\00hello\00"
-
-implementation   ; Functions:
-
-int %main () {
-  %target = alloca [1024 x sbyte]
-  %arg1 = getelementptr [1024 x sbyte]* %target, int 0, int 0
-  store sbyte 0, sbyte* %arg1
-  %arg2 = getelementptr [6 x sbyte]* %hello, int 0, int 0
-  %rslt1 = call sbyte* %strcat(sbyte* %arg1, sbyte* %arg2)
-  %arg3 = getelementptr [1 x sbyte]* %null, int 0, int 0
-  %rslt2 = call sbyte* %strcat(sbyte* %rslt1, sbyte* %arg3)
-  %arg4 = getelementptr [7 x sbyte]* %null_hello, int 0, int 0
-  %rslt3 = call sbyte* %strcat(sbyte* %rslt2, sbyte* %arg4)
-  call int %puts(sbyte* %rslt3)
-  ret int 0
-}

diff --git a/test/Transforms/SimplifyLibCalls/ExitInMain.ll b/test/Transforms/SimplifyLibCalls/ExitInMain.ll
new file mode 100644 (file)
index 0000000..29f69d1
--- /dev/null
+++ b/test/Transforms/SimplifyLibCalls/ExitInMain.ll
@@ -0,0 +1,13 @@
+; Test that the ExitInMainOptimization pass works correctly
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep -c 'ret int 3' | grep 1
+
+declare void %exit(int)
+declare void %exitonly(int)
+
+implementation   ; Functions:
+
+int %main () {
+        call void %exitonly ( int 3 )
+        call void %exit ( int 3 )
+        ret int 0
+}

diff --git a/test/Transforms/SimplifyLibCalls/StrCat.ll b/test/Transforms/SimplifyLibCalls/StrCat.ll
new file mode 100644 (file)
index 0000000..992837f
--- /dev/null
+++ b/test/Transforms/SimplifyLibCalls/StrCat.ll
@@ -0,0 +1,24 @@
+; Test that the StrCatOptimizer works correctly
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strcat'
+
+declare sbyte* %strcat(sbyte*,sbyte*)
+declare int %puts(sbyte*)
+%hello = constant [6 x sbyte] c"hello\00"
+%null = constant [1 x sbyte] c"\00"
+%null_hello = constant [7 x sbyte] c"\00hello\00"
+
+implementation   ; Functions:
+
+int %main () {
+  %target = alloca [1024 x sbyte]
+  %arg1 = getelementptr [1024 x sbyte]* %target, int 0, int 0
+  store sbyte 0, sbyte* %arg1
+  %arg2 = getelementptr [6 x sbyte]* %hello, int 0, int 0
+  %rslt1 = call sbyte* %strcat(sbyte* %arg1, sbyte* %arg2)
+  %arg3 = getelementptr [1 x sbyte]* %null, int 0, int 0
+  %rslt2 = call sbyte* %strcat(sbyte* %rslt1, sbyte* %arg3)
+  %arg4 = getelementptr [7 x sbyte]* %null_hello, int 0, int 0
+  %rslt3 = call sbyte* %strcat(sbyte* %rslt2, sbyte* %arg4)
+  call int %puts(sbyte* %rslt3)
+  ret int 0
+}

diff --git a/test/Transforms/SimplifyLibCalls/StrLen.ll b/test/Transforms/SimplifyLibCalls/StrLen.ll
new file mode 100644 (file)
index 0000000..0e17501
--- /dev/null
+++ b/test/Transforms/SimplifyLibCalls/StrLen.ll
@@ -0,0 +1,21 @@
+; Test that the StrCatOptimizer works correctly
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strlen'
+
+declare int %strlen(sbyte*)
+%hello = constant [6 x sbyte] c"hello\00"
+%null = constant [1 x sbyte] c"\00"
+%null_hello = constant [7 x sbyte] c"\00hello\00"
+
+implementation   ; Functions:
+
+int %main () {
+  %hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
+  %hello_l = call int %strlen(sbyte* %hello_p)
+  %null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
+  %null_l = call int %strlen(sbyte* %null_p)
+  %null_hello_p = getelementptr [7 x sbyte]* %null_hello, int 0, int 0
+  %null_hello_l = call int %strlen(sbyte* %null_hello_p)
+  %sum1 = add int %hello_l, %null_l
+  %sum2 = add int %sum1, %null_hello_l
+  ret int %sum2
+}