xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/mcm-10.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=pwr7 -O1 -code-model=medium <%s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Test peephole optimization for medium code model (32-bit TOC offsets)
4*9880d681SAndroid Build Coastguard Worker; for loading and storing a static variable scoped to a function.
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workertarget 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*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc64-unknown-linux-gnu"
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker@test_fn_static.si = internal global i32 0, align 4
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerdefine signext i32 @test_fn_static() nounwind {
12*9880d681SAndroid Build Coastguard Workerentry:
13*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* @test_fn_static.si, align 4
14*9880d681SAndroid Build Coastguard Worker  %inc = add nsw i32 %0, 1
15*9880d681SAndroid Build Coastguard Worker  store i32 %inc, i32* @test_fn_static.si, align 4
16*9880d681SAndroid Build Coastguard Worker  ret i32 %0
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_fn_static:
20*9880d681SAndroid Build Coastguard Worker; CHECK: addis [[REG1:[0-9]+]], 2, [[VAR:[a-z0-9A-Z_.]+]]@toc@ha
21*9880d681SAndroid Build Coastguard Worker; CHECK: lwa {{[0-9]+}}, [[VAR]]@toc@l([[REG1]])
22*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: extsw
23*9880d681SAndroid Build Coastguard Worker; CHECK: stw {{[0-9]+}}, [[VAR]]@toc@l([[REG1]])
24*9880d681SAndroid Build Coastguard Worker; CHECK: .type [[VAR]],@object
25*9880d681SAndroid Build Coastguard Worker; CHECK: .lcomm [[VAR]],4,4
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