| Bill Schmidt | 9b1e3e2 | 2013-01-07 19:29:18 +0000 | [diff] [blame^] | 1 | ; RUN: llc -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s |
| 2 | |
| 3 | ; Test correct code generation for medium code model (32-bit TOC offsets) |
| 4 | ; for loading and storing an aliased external variable. |
| 5 | |
| 6 | 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" |
| 7 | target triple = "powerpc64-unknown-linux-gnu" |
| 8 | |
| 9 | @ei = external global i32 |
| 10 | @a = alias i32* @ei |
| 11 | |
| 12 | define signext i32 @test_external() nounwind { |
| 13 | entry: |
| 14 | %0 = load i32* @a, align 4 |
| 15 | %inc = add nsw i32 %0, 1 |
| 16 | store i32 %inc, i32* @a, align 4 |
| 17 | ret i32 %0 |
| 18 | } |
| 19 | |
| 20 | ; CHECK: test_external: |
| 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_.]+}} |