1 files changed, 67 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-ldur.ll b/test/CodeGen/AArch64/arm64-ldur.ll
new file mode 100644
index 0000000..2848c06
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-ldur.ll
@@ -0,0 +1,67 @@
+; RUN: llc < %s -march=arm64 | FileCheck %s
+
+define i64 @_f0(i64* %p) {
+; CHECK: f0:
+; CHECK: ldur x0, [x0, #-8]
+; CHECK-NEXT: ret
+  %tmp = getelementptr inbounds i64* %p, i64 -1
+  %ret = load i64* %tmp, align 2
+  ret i64 %ret
+}
+define i32 @_f1(i32* %p) {
+; CHECK: f1:
+; CHECK: ldur w0, [x0, #-4]
+; CHECK-NEXT: ret
+  %tmp = getelementptr inbounds i32* %p, i64 -1
+  %ret = load i32* %tmp, align 2
+  ret i32 %ret
+}
+define i16 @_f2(i16* %p) {
+; CHECK: f2:
+; CHECK: ldurh w0, [x0, #-2]
+; CHECK-NEXT: ret
+  %tmp = getelementptr inbounds i16* %p, i64 -1
+  %ret = load i16* %tmp, align 2
+  ret i16 %ret
+}
+define i8 @_f3(i8* %p) {
+; CHECK: f3:
+; CHECK: ldurb w0, [x0, #-1]
+; CHECK-NEXT: ret
+  %tmp = getelementptr inbounds i8* %p, i64 -1
+  %ret = load i8* %tmp, align 2
+  ret i8 %ret
+}
+
+define i64 @zext32(i8* %a) nounwind ssp {
+; CHECK-LABEL: zext32:
+; CHECK: ldur w0, [x0, #-12]
+; CHECK-NEXT: ret
+  %p = getelementptr inbounds i8* %a, i64 -12
+  %tmp1 = bitcast i8* %p to i32*
+  %tmp2 = load i32* %tmp1, align 4
+  %ret = zext i32 %tmp2 to i64
+
+  ret i64 %ret
+}
+define i64 @zext16(i8* %a) nounwind ssp {
+; CHECK-LABEL: zext16:
+; CHECK: ldurh w0, [x0, #-12]
+; CHECK-NEXT: ret
+  %p = getelementptr inbounds i8* %a, i64 -12
+  %tmp1 = bitcast i8* %p to i16*
+  %tmp2 = load i16* %tmp1, align 2
+  %ret = zext i16 %tmp2 to i64
+
+  ret i64 %ret
+}
+define i64 @zext8(i8* %a) nounwind ssp {
+; CHECK-LABEL: zext8:
+; CHECK: ldurb w0, [x0, #-12]
+; CHECK-NEXT: ret
+  %p = getelementptr inbounds i8* %a, i64 -12
+  %tmp2 = load i8* %p, align 1
+  %ret = zext i8 %tmp2 to i64
+
+  ret i64 %ret
+}