| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=large <%s | FileCheck %s |
| |
| ; Test correct code generation for medium and large code model |
| ; for loading and storing an aliased external variable. |
| |
| 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" |
| target triple = "powerpc64-unknown-linux-gnu" |
| |
| @a = external global i32 |
| |
| define signext i32 @test_external() nounwind { |
| entry: |
| %0 = load i32, i32* @a, align 4 |
| %inc = add nsw i32 %0, 1 |
| store i32 %inc, i32* @a, align 4 |
| ret i32 %0 |
| } |
| |
| ; CHECK-LABEL: test_external: |
| ; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha |
| ; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]]) |
| ; CHECK: lwz {{[0-9]+}}, 0([[REG2]]) |
| ; CHECK: stw {{[0-9]+}}, 0([[REG2]]) |
| ; CHECK: .section .toc |
| ; CHECK: .LC[[TOCNUM]]: |
| ; CHECK: .tc {{[a-z0-9A-Z_.]+}}[TC],{{[a-z0-9A-Z_.]+}} |
