1 ; RUN: llc -verify-machineinstrs -O0 < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-AARCH64
2 ; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ARM64
6 ; Not produced by move wide instructions, but good to make sure we can return 0 anyway:
13 ; CHECK-AARCH64: movz x0, #1
14 ; CHECK-ARM64: orr w0, wzr, #0x1
20 ; CHECK-AARCH64: movz x0, #65535
21 ; CHECK-ARM64: orr w0, wzr, #0xffff
27 ; CHECK-AARCH64: movz x0, #1, lsl #16
28 ; CHECK-ARM64: orr w0, wzr, #0x10000
34 ; CHECK-AARCH64: movz x0, #65535, lsl #16
35 ; CHECK-ARM64: orr w0, wzr, #0xffff0000
41 ; CHECK-AARCH64: movz x0, #1, lsl #32
42 ; CHECK-ARM64: orr x0, xzr, #0x100000000
48 ; CHECK-AARCH64: movz x0, #65535, lsl #32
49 ; CHECK-ARM64: orr x0, xzr, #0xffff00000000
50 ret i64 281470681743360
55 ; CHECK-AARCH64: movz x0, #1, lsl #48
56 ; CHECK-ARM64: orr x0, xzr, #0x1000000000000
57 ret i64 281474976710656
60 ; A 32-bit MOVN can generate some 64-bit patterns that a 64-bit one
61 ; couldn't. Useful even for i64
64 ; CHECK: movn w0, #60875
74 define i64 @test10() {
75 ; CHECK-LABEL: test10:
76 ; CHECK: movn x0, #60875, lsl #16
77 ret i64 18446744069720047615
80 ; For reasonably legitimate reasons returning an i32 results in the
81 ; selection of an i64 constant, so we need a different idiom to test that selection
84 define void @test11() {
85 ; CHECK-LABEL: test11:
86 ; CHECK-AARCH64: mov {{w[0-9]+}}, wzr
87 ; CHECK-ARM64: str wzr
88 store i32 0, i32* @var32
92 define void @test12() {
93 ; CHECK-LABEL: test12:
94 ; CHECK-AARCH64: movz {{w[0-9]+}}, #1
95 ; CHECK-ARM64: orr {{w[0-9]+}}, wzr, #0x1
96 store i32 1, i32* @var32
100 define void @test13() {
101 ; CHECK-LABEL: test13:
102 ; CHECK-AARCH64: movz {{w[0-9]+}}, #65535
103 ; CHECK-ARM64: orr {{w[0-9]+}}, wzr, #0xffff
104 store i32 65535, i32* @var32
108 define void @test14() {
109 ; CHECK-LABEL: test14:
110 ; CHECK-AARCH64: movz {{w[0-9]+}}, #1, lsl #16
111 ; CHECK-ARM64: orr {{w[0-9]+}}, wzr, #0x10000
112 store i32 65536, i32* @var32
116 define void @test15() {
117 ; CHECK-LABEL: test15:
118 ; CHECK-AARCH64: movz {{w[0-9]+}}, #65535, lsl #16
119 ; CHECK-ARM64: orr {{w[0-9]+}}, wzr, #0xffff0000
120 store i32 4294901760, i32* @var32
124 define void @test16() {
125 ; CHECK-LABEL: test16:
126 ; CHECK: movn {{w[0-9]+}}, #0
127 store i32 -1, i32* @var32
131 define i64 @test17() {
132 ; CHECK-LABEL: test17:
134 ; Mustn't MOVN w0 here.
135 ; CHECK-AARCH64: movn x0, #2
136 ; CHECK-ARM64: orr x0, xzr, #0xfffffffffffffffd