| Ehsan Amiri | a538b0f | 2016-08-03 18:17:35 +0000 | [diff] [blame] | 1 | ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s |
| 2 | ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=large <%s | FileCheck %s |
| Bill Schmidt | 9b1e3e2 | 2013-01-07 19:29:18 +0000 | [diff] [blame] | 3 | |
| Bill Schmidt | 2791778 | 2013-02-21 17:12:27 +0000 | [diff] [blame] | 4 | ; Test correct code generation for medium and large code model |
| Bill Schmidt | 9b1e3e2 | 2013-01-07 19:29:18 +0000 | [diff] [blame] | 5 | ; for loading and storing an aliased external variable. |
| 6 | |
| 7 | target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" |
| 8 | target triple = "powerpc64-unknown-linux-gnu" |
| 9 | |
| Rafael Espindola | 4929301 | 2013-11-14 13:58:06 +0000 | [diff] [blame] | 10 | @a = external global i32 |
| Bill Schmidt | 9b1e3e2 | 2013-01-07 19:29:18 +0000 | [diff] [blame] | 11 | |
| 12 | define signext i32 @test_external() nounwind { |
| 13 | entry: |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 14 | %0 = load i32, i32* @a, align 4 |
| Bill Schmidt | 9b1e3e2 | 2013-01-07 19:29:18 +0000 | [diff] [blame] | 15 | %inc = add nsw i32 %0, 1 |
| 16 | store i32 %inc, i32* @a, align 4 |
| 17 | ret i32 %0 |
| 18 | } |
| 19 | |
| Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 20 | ; CHECK-LABEL: test_external: |
| Bill Schmidt | 9b1e3e2 | 2013-01-07 19:29:18 +0000 | [diff] [blame] | 21 | ; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha |
| 22 | ; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]]) |
| 23 | ; CHECK: lwz {{[0-9]+}}, 0([[REG2]]) |
| 24 | ; CHECK: stw {{[0-9]+}}, 0([[REG2]]) |
| 25 | ; CHECK: .section .toc |
| 26 | ; CHECK: .LC[[TOCNUM]]: |
| 27 | ; CHECK: .tc {{[a-z0-9A-Z_.]+}}[TC],{{[a-z0-9A-Z_.]+}} |