Add verification for align, dereferenceable, dereferenceable_or_null load metadata

Reviewed By: reames

Differential Revision: http://reviews.llvm.org/D13428

llvm-svn: 249856

2 files changed, 145 insertions, 0 deletions

diff --git a/llvm/test/Verifier/align-md.ll b/llvm/test/Verifier/align-md.ll
new file mode 100644
index 00000000000..2de489ec21e
--- /dev/null
+++ b/llvm/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
diff --git a/llvm/test/Verifier/dereferenceable-md.ll b/llvm/test/Verifier/dereferenceable-md.ll
new file mode 100644
index 00000000000..94c89c33202
--- /dev/null
+++ b/llvm/test/Verifier/dereferenceable-md.ll
@@ -0,0 +1,86 @@
+; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
+
+declare i8* @foo()
+
+define void @f1() {
+entry:
+  call i8* @foo(), !dereferenceable !{i64 2}
+  ret void
+}
+; CHECK: dereferenceable, dereferenceable_or_null apply only to load instructions, use attributes for calls or invokes
+; CHECK-NEXT: call i8* @foo()
+
+define void @f2() {
+entry:
+  call i8* @foo(), !dereferenceable_or_null !{i64 2}
+  ret void
+}
+; CHECK: dereferenceable, dereferenceable_or_null apply only to load instructions, use attributes for calls or invokes
+; CHECK-NEXT: call i8* @foo()
+
+define i8 @f3(i8* %x) {
+entry:
+  %y = load i8, i8* %x, !dereferenceable !{i64 2}
+  ret i8 %y
+}
+; CHECK: dereferenceable, dereferenceable_or_null apply only to pointer types
+; CHECK-NEXT: load i8, i8* %x
+
+define i8 @f4(i8* %x) {
+entry:
+  %y = load i8, i8* %x, !dereferenceable_or_null !{i64 2}
+  ret i8 %y
+}
+; CHECK: dereferenceable, dereferenceable_or_null apply only to pointer types
+; CHECK-NEXT: load i8, i8* %x
+
+define i8* @f5(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !dereferenceable !{}
+  ret i8* %y
+}
+; CHECK: dereferenceable, dereferenceable_or_null take one operand
+; CHECK-NEXT: load i8*, i8** %x
+
+
+define i8* @f6(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !dereferenceable_or_null !{}
+  ret i8* %y
+}
+; CHECK: dereferenceable, dereferenceable_or_null take one operand
+; CHECK-NEXT: load i8*, i8** %x
+
+define i8* @f7(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !dereferenceable !{!"str"}
+  ret i8* %y
+}
+; CHECK: dereferenceable, dereferenceable_or_null metadata value must be an i64!
+; CHECK-NEXT: load i8*, i8** %x
+
+
+define i8* @f8(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !dereferenceable_or_null !{!"str"}
+  ret i8* %y
+}
+; CHECK: dereferenceable, dereferenceable_or_null metadata value must be an i64!
+; CHECK-NEXT: load i8*, i8** %x
+
+define i8* @f9(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !dereferenceable !{i32 2}
+  ret i8* %y
+}
+; CHECK: dereferenceable, dereferenceable_or_null metadata value must be an i64!
+; CHECK-NEXT: load i8*, i8** %x
+
+
+define i8* @f10(i8** %x) {
+entry:
+  %y = load i8*, i8** %x, !dereferenceable_or_null !{i32 2}
+  ret i8* %y
+}
+; CHECK: dereferenceable, dereferenceable_or_null metadata value must be an i64!
+; CHECK-NEXT: load i8*, i8** %x
\ No newline at end of file