Add verification for align, dereferenceable, dereferenceable_or_null load metadata

[oota-llvm.git] / test / Verifier / align-md.ll

diff --git a/test/Verifier/align-md.ll b/test/Verifier/align-md.ll
new file mode 100644 (file)
index 0000000..2de489e
--- /dev/null
+++ b/test/Verifier/align-md.ll
@@ -0,0 +1,59 @@
+; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
+
+declare i8* @foo()
+
+define void @f1() {
+entry:
+  call i8* @foo(), !align !{i64 2}
+  ret void
+}
+; CHECK: align applies only to load instructions
+; CHECK-NEXT: call i8* @foo()
+
+define i8 @f2(i8* %x) {
+entry:
+  %y = load i8, i8* %x, !align !{i64 2}
+  ret i8 %y
+}
+; CHECK: align applies only to pointer types
+; CHECK-NEXT: load i8, i8* %x
+
+define i8* @f3(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !align !{}
+  ret i8* %y
+}
+; CHECK: align takes one operand
+; CHECK-NEXT: load i8*, i8** %x
+
+define i8* @f4(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !align !{!"str"}
+  ret i8* %y
+}
+; CHECK: align metadata value must be an i64!
+; CHECK-NEXT: load i8*, i8** %x
+
+define i8* @f5(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !align !{i32 2}
+  ret i8* %y
+}
+; CHECK: align metadata value must be an i64!
+; CHECK-NEXT: load i8*, i8** %x
+
+define i8* @f6(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !align !{i64 3}
+  ret i8* %y
+}
+; CHECK: align metadata value must be a power of 2!
+; CHECK-NEXT: load i8*, i8** %x
+
+define i8* @f7(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !align !{i64 1073741824}
+  ret i8* %y
+}
+; CHECK: alignment is larger that implementation defined limit
+; CHECK-NEXT: load i8*, i8** %x
\ No newline at end of file