| David Green | 9dd1d45 | 2018-08-22 11:31:39 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=aarch64-none-eabi -code-model=tiny < %s | FileCheck %s |
| 2 | |
| 3 | @var8 = global i8 0 |
| 4 | @var16 = global i16 0 |
| 5 | @var32 = global i32 0 |
| 6 | @var64 = global i64 0 |
| 7 | |
| 8 | define i8* @global_addr() { |
| 9 | ; CHECK-LABEL: global_addr: |
| 10 | ret i8* @var8 |
| 11 | ; The adr calculation should end up returned directly in x0. |
| 12 | ; CHECK: adr x0, var8 |
| 13 | ; CHECK-NEXT: ret |
| 14 | } |
| 15 | |
| 16 | define i8 @global_i8() { |
| 17 | ; CHECK-LABEL: global_i8: |
| 18 | %val = load i8, i8* @var8 |
| 19 | ret i8 %val |
| 20 | ; CHECK: adr x[[ADDR_REG:[0-9]+]], var8 |
| 21 | ; CHECK: ldrb w0, [x[[ADDR_REG]]] |
| 22 | } |
| 23 | |
| 24 | define i16 @global_i16() { |
| 25 | ; CHECK-LABEL: global_i16: |
| 26 | %val = load i16, i16* @var16 |
| 27 | ret i16 %val |
| 28 | ; CHECK: adr x[[ADDR_REG:[0-9]+]], var16 |
| 29 | ; CHECK: ldrh w0, [x[[ADDR_REG]]] |
| 30 | } |
| 31 | |
| 32 | define i32 @global_i32() { |
| 33 | ; CHECK-LABEL: global_i32: |
| 34 | %val = load i32, i32* @var32 |
| 35 | ret i32 %val |
| David Green | 1f203bc | 2018-08-30 11:55:16 +0000 | [diff] [blame] | 36 | ; CHECK: ldr w0, var32 |
| David Green | 9dd1d45 | 2018-08-22 11:31:39 +0000 | [diff] [blame] | 37 | } |
| 38 | |
| 39 | define i64 @global_i64() { |
| 40 | ; CHECK-LABEL: global_i64: |
| 41 | %val = load i64, i64* @var64 |
| 42 | ret i64 %val |
| David Green | 1f203bc | 2018-08-30 11:55:16 +0000 | [diff] [blame] | 43 | ; CHECK: ldr x0, var64 |
| David Green | 9dd1d45 | 2018-08-22 11:31:39 +0000 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | define <2 x i64> @constpool() { |
| 47 | ; CHECK-LABEL: constpool: |
| 48 | ret <2 x i64> <i64 123456789, i64 987654321100> |
| 49 | |
| 50 | ; CHECK: adr x[[ADDR_REG:[0-9]+]], {{.LCPI[0-9]+_[0-9]+}} |
| 51 | ; CHECK: ldr q0, [x[[ADDR_REG]]] |
| 52 | } |