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-rw-r--r--test/CodeGen/AArch64/arm64-strict-align.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-strict-align.ll b/test/CodeGen/AArch64/arm64-strict-align.ll
new file mode 100644
index 0000000000..5d137043a6
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-strict-align.ll
@@ -0,0 +1,26 @@
+; RUN: llc < %s -mtriple=arm64-apple-darwin | FileCheck %s
+; RUN: llc < %s -mtriple=arm64-apple-darwin -aarch64-no-strict-align | FileCheck %s
+; RUN: llc < %s -mtriple=arm64-apple-darwin -aarch64-strict-align | FileCheck %s --check-prefix=CHECK-STRICT
+
+define i32 @f0(i32* nocapture %p) nounwind {
+; CHECK-STRICT: ldrh [[HIGH:w[0-9]+]], [x0, #2]
+; CHECK-STRICT: ldrh [[LOW:w[0-9]+]], [x0]
+; CHECK-STRICT: bfi [[LOW]], [[HIGH]], #16, #16
+; CHECK-STRICT: ret
+
+; CHECK: ldr w0, [x0]
+; CHECK: ret
+ %tmp = load i32* %p, align 2
+ ret i32 %tmp
+}
+
+define i64 @f1(i64* nocapture %p) nounwind {
+; CHECK-STRICT: ldp w[[LOW:[0-9]+]], w[[HIGH:[0-9]+]], [x0]
+; CHECK-STRICT: bfi x[[LOW]], x[[HIGH]], #32, #32
+; CHECK-STRICT: ret
+
+; CHECK: ldr x0, [x0]
+; CHECK: ret
+ %tmp = load i64* %p, align 4
+ ret i64 %tmp
+}