xref: /llvm-project/llvm/test/CodeGen/PowerPC/lsa.ll (revision 427fb35192f1f7bb694a5910b05abc5925a798b2)
1; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=ppc64 | FileCheck %s
2target 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"
3target triple = "powerpc64-unknown-linux-gnu"
4
5define signext i32 @foo() #0 {
6entry:
7  %v = alloca [8200 x i32], align 4
8  %w = alloca [8200 x i32], align 4
9  %q = alloca [8200 x i32], align 4
10  call void @llvm.lifetime.start.p0(i64 32800, ptr %v) #0
11  call void @llvm.lifetime.start.p0(i64 32800, ptr %w) #0
12  call void @llvm.lifetime.start.p0(i64 32800, ptr %q) #0
13  call void @bar(ptr %q, ptr %v, ptr %w) #0
14  %0 = load i32, ptr %w, align 4
15  %arrayidx3 = getelementptr inbounds [8200 x i32], ptr %w, i64 0, i64 1
16  %1 = load i32, ptr %arrayidx3, align 4
17
18; CHECK: @foo
19; CHECK-NOT: lwzx
20; CHECK: lwz {{[0-9]+}}, 0([[REG:[0-9]+]])
21; CHECK: lwz {{[0-9]+}}, 4([[REG]])
22; CHECK: blr
23
24  %add = add nsw i32 %1, %0
25  call void @llvm.lifetime.end.p0(i64 32800, ptr %q) #0
26  call void @llvm.lifetime.end.p0(i64 32800, ptr %w) #0
27  call void @llvm.lifetime.end.p0(i64 32800, ptr %v) #0
28  ret i32 %add
29}
30
31declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #0
32
33declare void @bar(ptr, ptr, ptr)
34
35declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #0
36
37attributes #0 = { nounwind }
38