1 files changed, 95 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-fast-isel.ll b/test/CodeGen/AArch64/arm64-fast-isel.ll
new file mode 100644
index 0000000000..0194b3a6c2
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-fast-isel.ll
@@ -0,0 +1,95 @@
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=arm64-apple-darwin | FileCheck %s
+
+define void @t0(i32 %a) nounwind {
+entry:
+; CHECK: t0
+; CHECK: str {{w[0-9]+}}, [sp, #12]
+; CHECK-NEXT: ldr [[REGISTER:w[0-9]+]], [sp, #12]
+; CHECK-NEXT: str [[REGISTER]], [sp, #12]
+; CHECK: ret
+  %a.addr = alloca i32, align 4
+  store i32 %a, i32* %a.addr
+  %tmp = load i32* %a.addr
+  store i32 %tmp, i32* %a.addr
+  ret void
+}
+
+define void @t1(i64 %a) nounwind {
+; CHECK: t1
+; CHECK: str {{x[0-9]+}}, [sp, #8]
+; CHECK-NEXT: ldr [[REGISTER:x[0-9]+]], [sp, #8]
+; CHECK-NEXT: str [[REGISTER]], [sp, #8]
+; CHECK: ret
+  %a.addr = alloca i64, align 4
+  store i64 %a, i64* %a.addr
+  %tmp = load i64* %a.addr
+  store i64 %tmp, i64* %a.addr
+  ret void
+}
+
+define zeroext i1 @i1(i1 %a) nounwind {
+entry:
+; CHECK: @i1
+; CHECK: and w0, w0, #0x1
+; CHECK: strb w0, [sp, #15]
+; CHECK: ldrb w0, [sp, #15]
+; CHECK: and w0, w0, #0x1
+; CHECK: and w0, w0, #0x1
+; CHECK: add sp, sp, #16
+; CHECK: ret
+  %a.addr = alloca i1, align 1
+  store i1 %a, i1* %a.addr, align 1
+  %0 = load i1* %a.addr, align 1
+  ret i1 %0
+}
+
+define i32 @t2(i32 *%ptr) nounwind {
+entry:
+; CHECK-LABEL: t2:
+; CHECK: ldur w0, [x0, #-4]
+; CHECK: ret
+  %0 = getelementptr i32 *%ptr, i32 -1
+  %1 = load i32* %0, align 4
+  ret i32 %1
+}
+
+define i32 @t3(i32 *%ptr) nounwind {
+entry:
+; CHECK-LABEL: t3:
+; CHECK: ldur w0, [x0, #-256]
+; CHECK: ret
+  %0 = getelementptr i32 *%ptr, i32 -64
+  %1 = load i32* %0, align 4
+  ret i32 %1
+}
+
+define void @t4(i32 *%ptr) nounwind {
+entry:
+; CHECK-LABEL: t4:
+; CHECK: movz w8, #0
+; CHECK: stur w8, [x0, #-4]
+; CHECK: ret
+  %0 = getelementptr i32 *%ptr, i32 -1
+  store i32 0, i32* %0, align 4
+  ret void
+}
+
+define void @t5(i32 *%ptr) nounwind {
+entry:
+; CHECK-LABEL: t5:
+; CHECK: movz w8, #0
+; CHECK: stur w8, [x0, #-256]
+; CHECK: ret
+  %0 = getelementptr i32 *%ptr, i32 -64
+  store i32 0, i32* %0, align 4
+  ret void
+}
+
+define void @t6() nounwind {
+; CHECK: t6
+; CHECK: brk #0x1
+  tail call void @llvm.trap()
+  ret void
+}
+
+declare void @llvm.trap() nounwind