Migrate _chk call lowering from SimplifyLibCalls to InstCombine. Stub
out the remainder of the calls that we should lower in some way and
move the tests to the new correct directory. Fix up tests that are now
optimized more than they were before by -instcombine.
llvm-svn: 97875
diff --git a/llvm/test/Transforms/InstCombine/memset_chk.ll b/llvm/test/Transforms/InstCombine/memset_chk.ll
new file mode 100644
index 0000000..5a4e6d9
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/memset_chk.ll
@@ -0,0 +1,18 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+; rdar://7719085
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+
+%struct.data = type { [100 x i32], [100 x i32], [1024 x i8] }
+
+define i32 @t() nounwind ssp {
+; CHECK: @t
+; CHECK: @llvm.memset.i64
+entry:
+ %0 = alloca %struct.data, align 8 ; <%struct.data*> [#uses=1]
+ %1 = bitcast %struct.data* %0 to i8* ; <i8*> [#uses=1]
+ %2 = call i8* @__memset_chk(i8* %1, i32 0, i64 1824, i64 1824) nounwind ; <i8*> [#uses=0]
+ ret i32 0
+}
+
+declare i8* @__memset_chk(i8*, i32, i64, i64) nounwind