Rebased PNaCl localmods in LLVM to 223109

test/Transforms/NaCl/canonicalize-mem-intrinsics.ll

Index: test/Transforms/NaCl/canonicalize-mem-intrinsics.ll
diff --git a/test/Transforms/NaCl/canonicalize-mem-intrinsics.ll b/test/Transforms/NaCl/canonicalize-mem-intrinsics.ll
new file mode 100644
index 0000000000000000000000000000000000000000..9c263fd15e71bbe949ce028d2f07be0d7038424c
--- /dev/null
+++ b/test/Transforms/NaCl/canonicalize-mem-intrinsics.ll
@@ -0,0 +1,45 @@
+; RUN: opt %s -canonicalize-mem-intrinsics -S | FileCheck %s
+; RUN: opt %s -canonicalize-mem-intrinsics -S \
+; RUN:     | FileCheck %s -check-prefix=CLEANED
+
+declare void @llvm.memset.p0i8.i64(i8*, i8, i64, i32, i1)
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1)
+declare void @llvm.memmove.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1)
+; CLEANED-NOT: @llvm.mem{{.*}}i64
+
+
+define void @memset_caller(i8* %dest, i8 %char, i64 %size) {
+  call void @llvm.memset.p0i8.i64(i8* %dest, i8 %char, i64 %size, i32 1, i1 0)
+  ret void
+}
+; CHECK: define void @memset_caller
+; CHECK-NEXT: %mem_len_truncate = trunc i64 %size to i32
+; CHECK-NEXT: call void @llvm.memset.p0i8.i32(i8* %dest, i8 %char, i32 %mem_len_truncate, i32 1, i1 false)
+
+
+define void @memcpy_caller(i8* %dest, i8* %src, i64 %size) {
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dest, i8* %src, i64 %size, i32 1, i1 0)
+  ret void
+}
+; CHECK: define void @memcpy_caller
+; CHECK-NEXT: %mem_len_truncate = trunc i64 %size to i32
+; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 %mem_len_truncate, i32 1, i1 false)
+
+
+define void @memmove_caller(i8* %dest, i8* %src, i64 %size) {
+  call void @llvm.memmove.p0i8.p0i8.i64(i8* %dest, i8* %src, i64 %size, i32 1, i1 0)
+  ret void
+}
+; CHECK: define void @memmove_caller
+; CHECK-NEXT: %mem_len_truncate = trunc i64 %size to i32
+; CHECK-NEXT: call void @llvm.memmove.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 %mem_len_truncate, i32 1, i1 false)
+
+
+; Check that constant sizes remain as constants.
+
+define void @memset_caller_const(i8* %dest, i8 %char) {
+  call void @llvm.memset.p0i8.i64(i8* %dest, i8 %char, i64 123, i32 1, i1 0)
+  ret void
+}
+; CHECK: define void @memset_caller
+; CHECK-NEXT: call void @llvm.memset.p0i8.i32(i8* %dest, i8 %char, i32 123, i32 1, i1 false)