| Ehsan Amiri | a538b0f | 2016-08-03 18:17:35 +0000 | [diff] [blame] | 1 | ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O1 -code-model=medium <%s | FileCheck %s |
| Bill Schmidt | f5b474c | 2013-02-21 00:38:25 +0000 | [diff] [blame] | 2 | |
| 3 | ; Test peephole optimization for medium code model (32-bit TOC offsets) |
| 4 | ; for loading and storing a static variable scoped to a function. |
| 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 | @test_fn_static.si = internal global i32 0, align 4 |
| 10 | |
| 11 | define signext i32 @test_fn_static() nounwind { |
| 12 | entry: |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 13 | %0 = load i32, i32* @test_fn_static.si, align 4 |
| Bill Schmidt | f5b474c | 2013-02-21 00:38:25 +0000 | [diff] [blame] | 14 | %inc = add nsw i32 %0, 1 |
| 15 | store i32 %inc, i32* @test_fn_static.si, align 4 |
| 16 | ret i32 %0 |
| 17 | } |
| 18 | |
| Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 19 | ; CHECK-LABEL: test_fn_static: |
| Bill Schmidt | f5b474c | 2013-02-21 00:38:25 +0000 | [diff] [blame] | 20 | ; CHECK: addis [[REG1:[0-9]+]], 2, [[VAR:[a-z0-9A-Z_.]+]]@toc@ha |
| Hal Finkel | 34974ed | 2014-04-12 21:52:38 +0000 | [diff] [blame] | 21 | ; CHECK: lwa {{[0-9]+}}, [[VAR]]@toc@l([[REG1]]) |
| 22 | ; CHECK-NOT: extsw |
| Bill Schmidt | f5b474c | 2013-02-21 00:38:25 +0000 | [diff] [blame] | 23 | ; CHECK: stw {{[0-9]+}}, [[VAR]]@toc@l([[REG1]]) |
| 24 | ; CHECK: .type [[VAR]],@object |
| Joerg Sonnenberger | 6d05a2b | 2014-08-04 21:06:00 +0000 | [diff] [blame] | 25 | ; CHECK: .lcomm [[VAR]],4,4 |