[llvm-commits] CVS: llvm/test/Regression/Transforms/SimplifyLibCalls/memcmp.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/Transforms/SimplifyLibCalls:

memcmp.ll added (r1.1)
---
Log message:

add a new testcase


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Diffs of the changes:  (+23 -0)

 memcmp.ll |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+)


Index: llvm/test/Regression/Transforms/SimplifyLibCalls/memcmp.ll
diff -c /dev/null llvm/test/Regression/Transforms/SimplifyLibCalls/memcmp.ll:1.1
*** /dev/null	Thu Sep 29 01:11:44 2005
--- llvm/test/Regression/Transforms/SimplifyLibCalls/memcmp.ll	Thu Sep 29 01:11:34 2005
***************
*** 0 ****
--- 1,23 ----
+ ; Test that the memcmpOptimizer works correctly
+ ; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*memcmp' &&
+ ; RUN: llvm-as < %s | opt -simplify-libcalls -disable-output
+ 
+ declare int %memcmp(sbyte*,sbyte*,int)
+ %h = constant [2 x sbyte] c"h\00"
+ %hel = constant [4 x sbyte] c"hel\00"
+ %hello_u = constant [8 x sbyte] c"hello_u\00"
+ 
+ implementation
+ 
+ void %test(sbyte *%P, sbyte *%Q, int %N, int* %IP, bool *%BP) {
+   %A = call int %memcmp(sbyte *%P, sbyte* %P, int %N)
+   volatile store int %A, int* %IP
+   %B = call int %memcmp(sbyte *%P, sbyte* %Q, int 0)
+   volatile store int %B, int* %IP
+   %C = call int %memcmp(sbyte *%P, sbyte* %Q, int 1)
+   volatile store int %C, int* %IP
+   %D = call int %memcmp(sbyte *%P, sbyte* %Q, int 2)
+   %E = seteq int %D, 0
+   volatile store bool %E, bool* %BP
+   ret void
+ }