[FastISel][AArch64] Optimize compare-and-branch for i1 to use 'tbz'.

[oota-llvm.git] / test / CodeGen / AArch64 / arm64-fast-isel-intrinsic.ll

diff --git a/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll b/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll
index a3d5f6c3c5a12be10fcf3a28343bbe9eaafba0a3..9ac3e4431830606f7f67f04ccf8e6a8216d735c4 100644 (file)
--- a/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll
+++ b/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=arm64-apple-ios | FileCheck %s --check-prefix=ARM64
+; RUN: llc -O0 -fast-isel-abort -verify-machineinstrs -relocation-model=dynamic-no-pic -mtriple=arm64-apple-ios < %s | FileCheck %s --check-prefix=ARM64
 
 @message = global [80 x i8] c"The LLVM Compiler Infrastructure\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 16
 @temp = common global [80 x i8] zeroinitializer, align 16
@@ -7,7 +7,7 @@ define void @t1() {
 ; ARM64-LABEL: t1
 ; ARM64: adrp x8, _message@PAGE
 ; ARM64: add x0, x8, _message@PAGEOFF
-; ARM64: movz w9, #0
+; ARM64: mov w9, wzr
 ; ARM64: movz x2, #0x50
 ; ARM64: uxtb w1, w9
 ; ARM64: bl _memset
@@ -133,3 +133,16 @@ define void @t8() {
   call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([80 x i8]* @temp, i32 0, i32 0), i8* getelementptr inbounds ([80 x i8]* @message, i32 0, i32 0), i64 4, i32 1, i1 false)
   ret void
 }
+
+define void @test_distant_memcpy(i8* %dst) {
+; ARM64-LABEL: test_distant_memcpy:
+; ARM64: mov [[ARRAY:x[0-9]+]], sp
+; ARM64: movz [[OFFSET:x[0-9]+]], #0x1f40
+; ARM64: add x[[ADDR:[0-9]+]], [[ARRAY]], [[OFFSET]]
+; ARM64: ldrb [[BYTE:w[0-9]+]], [x[[ADDR]]]
+; ARM64: strb [[BYTE]], [x0]
+  %array = alloca i8, i32 8192
+  %elem = getelementptr i8* %array, i32 8000
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %elem, i64 1, i32 1, i1 false)
+  ret void
+}