Add strpbrk folding to SimplifyLibCalls.

[oota-llvm.git] / test / Transforms / SimplifyLibCalls / StrNCmp.ll

diff --git a/test/Transforms/SimplifyLibCalls/StrNCmp.ll b/test/Transforms/SimplifyLibCalls/StrNCmp.ll
index 1b16149393d6328bd66e4dc3c85f97557c375a0e..8b536a5486997057717649ba2d49d0f8bdaa0e54 100644 (file)
--- a/test/Transforms/SimplifyLibCalls/StrNCmp.ll
+++ b/test/Transforms/SimplifyLibCalls/StrNCmp.ll
@@ -1,26 +1,35 @@
-; Test that the StrCmpOptimizer works correctly
-; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strcmp'
+; Test that the StrNCmpOptimizer works correctly
+; RUN: opt < %s -simplify-libcalls -S | \
+; RUN:   not grep {call.*strncmp}
 
-declare int %strncmp(sbyte*,sbyte*,int)
-declare int %puts(sbyte*)
-%hello = constant [6 x sbyte] c"hello\00"
-%hell = constant [5 x sbyte] c"hell\00"
-%null = constant [1 x sbyte] c"\00"
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
+target triple = "i386-apple-darwin9.0"
 
-implementation   ; Functions:
+@hello = constant [6 x i8] c"hello\00"         ; <[6 x i8]*> [#uses=1]
+@hell = constant [5 x i8] c"hell\00"           ; <[5 x i8]*> [#uses=1]
+@null = constant [1 x i8] zeroinitializer              ; <[1 x i8]*> [#uses=1]
 
-int %main () {
-  %hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
-  %hell_p  = getelementptr [5 x sbyte]* %hell, int 0, int 0
-  %null_p  = getelementptr [1 x sbyte]* %null, int 0, int 0
-  %temp1 = call int %strncmp(sbyte* %hello_p, sbyte* %hello_p,int 5)
-  %temp2 = call int %strncmp(sbyte* %null_p, sbyte* %null_p,int 0)
-  %temp3 = call int %strncmp(sbyte* %hello_p, sbyte* %null_p,int 0)
-  %temp4 = call int %strncmp(sbyte* %null_p, sbyte* %hello_p,int 0)
-  %temp5 = call int %strncmp(sbyte* %hell_p, sbyte* %hello_p,int 4)
-  %rslt1 = add int %temp1, %temp2
-  %rslt2 = add int %rslt1, %temp3
-  %rslt3 = add int %rslt2, %temp4
-  %rslt4 = add int %rslt3, %temp5
-  ret int %rslt4
+declare i32 @strncmp(i8*, i8*, i32)
+
+declare i32 @puts(i8*)
+
+define i32 @main() {
+       %hello_p = getelementptr [6 x i8]* @hello, i32 0, i32 0         ; <i8*> [#uses=5]
+       %hell_p = getelementptr [5 x i8]* @hell, i32 0, i32 0           ; <i8*> [#uses=1]
+       %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0           ; <i8*> [#uses=4]
+       %temp1 = call i32 @strncmp( i8* %hello_p, i8* %hello_p, i32 5 )         ; <i32> [#uses=1]
+       %temp2 = call i32 @strncmp( i8* %null_p, i8* %null_p, i32 0 )           ; <i32> [#uses=1]
+       %temp3 = call i32 @strncmp( i8* %hello_p, i8* %null_p, i32 0 )          ; <i32> [#uses=1]
+       %temp4 = call i32 @strncmp( i8* %null_p, i8* %hello_p, i32 0 )          ; <i32> [#uses=1]
+       %temp5 = call i32 @strncmp( i8* %hell_p, i8* %hello_p, i32 4 )          ; <i32> [#uses=1]
+       %rslt1 = add i32 %temp1, %temp2         ; <i32> [#uses=1]
+       %rslt2 = add i32 %rslt1, %temp3         ; <i32> [#uses=1]
+       %rslt3 = add i32 %rslt2, %temp4         ; <i32> [#uses=1]
+       %rslt4 = add i32 %rslt3, %temp5         ; <i32> [#uses=1]
+       ret i32 %rslt4
+}
+
+define i32 @test1(i8* %P, i8* %Q) {
+  %cmp = call i32 @strncmp(i8* %P, i8* %Q, i32 1)
+  ret i32 %cmp
 }