From 89011b6f3ca2b4bd137e8657a499bf0b934b4e69 Mon Sep 17 00:00:00 2001 From: Reid Spencer Date: Tue, 26 Apr 2005 07:40:40 +0000 Subject: [PATCH] Add a new test case for the llvm.memcpy simplification case. llvm-svn: 21561 --- .../Transforms/SimplifyLibCalls/MemCpy.ll | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 llvm/test/Regression/Transforms/SimplifyLibCalls/MemCpy.ll diff --git a/llvm/test/Regression/Transforms/SimplifyLibCalls/MemCpy.ll b/llvm/test/Regression/Transforms/SimplifyLibCalls/MemCpy.ll new file mode 100644 index 000000000000..5e701b41062c --- /dev/null +++ b/llvm/test/Regression/Transforms/SimplifyLibCalls/MemCpy.ll @@ -0,0 +1,21 @@ +; Test that the StrCatOptimizer works correctly +; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*llvm.memcpy' + +declare sbyte* %llvm.memcpy(sbyte*,sbyte*,int,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 ; Functions: + +int %main () { + %h_p = getelementptr [2 x sbyte]* %h, int 0, int 0 + %hel_p = getelementptr [4 x sbyte]* %hel, int 0, int 0 + %hello_u_p = getelementptr [8 x sbyte]* %hello_u, int 0, int 0 + %target = alloca [1024 x sbyte] + %target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0 + call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %h_p, int 2, int 2) + call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hel_p, int 4, int 4) + call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hello_u_p, int 8, int 8) + ret int 0 +}