| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O1 -code-model=medium <%s | FileCheck %s |
| |
| ; Test peephole optimization for medium code model (32-bit TOC offsets) |
| ; for loading and storing a static variable scoped to a function. |
| |
| 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" |
| |
| @test_fn_static.si = internal global i32 0, align 4 |
| |
| define signext i32 @test_fn_static() nounwind { |
| entry: |
| %0 = load i32, i32* @test_fn_static.si, align 4 |
| %inc = add nsw i32 %0, 1 |
| store i32 %inc, i32* @test_fn_static.si, align 4 |
| ret i32 %0 |
| } |
| |
| ; CHECK-LABEL: test_fn_static: |
| ; CHECK: addis [[REG1:[0-9]+]], 2, [[VAR:[a-z0-9A-Z_.]+]]@toc@ha |
| ; CHECK: lwa {{[0-9]+}}, [[VAR]]@toc@l([[REG1]]) |
| ; CHECK-NOT: extsw |
| ; CHECK: stw {{[0-9]+}}, [[VAR]]@toc@l([[REG1]]) |
| ; CHECK: .type [[VAR]],@object |
| ; CHECK: .lcomm [[VAR]],4,4 |
