xref: /llvm-project/llvm/test/Transforms/LoopStrengthReduce/Power/memory-intrinsic.ll (revision 2d69827c5c754f0eca98e497ecf0e52ed54b4fd3)
1; REQUIRES: asserts
2; RUN: opt -loop-reduce -debug-only=loop-reduce -S  < %s 2>&1 | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-n32:64"
5target triple = "powerpc64le-unknown-linux-gnu"
6
7; CHECK: LSR Use: Kind=Address
8; CHECK: LSR Use: Kind=Address
9; CHECK-NOT: LSR Use: Kind=Basic
10; CHECK-NOT: LSR Use: Kind=Basic
11
12declare <4 x i32> @llvm.ppc.altivec.lvx(ptr)
13declare void @llvm.ppc.altivec.stvx(<4 x i32>, ptr)
14
15; Function Attrs: nofree norecurse nounwind
16define void @foo(ptr %0, ptr %1, i32 signext %2) {
17  %4 = icmp sgt i32 %2, 0
18  br i1 %4, label %5, label %7
19
205:                                                ; preds = %3
21  %6 = zext i32 %2 to i64
22  br label %8
23
247:                                                ; preds = %8, %3
25  ret void
26
278:                                                ; preds = %5, %8
28  %9 = phi i64 [ 0, %5 ], [ %15, %8 ]
29  %10 = getelementptr inbounds <4 x i32>, ptr %1, i64 %9
30  %11 = bitcast ptr %10 to ptr
31  %12 = call <4 x i32> @llvm.ppc.altivec.lvx(ptr %11)
32  %13 = getelementptr inbounds <4 x i32>, ptr %0, i64 %9
33  %14 = bitcast ptr %13 to ptr
34  call void @llvm.ppc.altivec.stvx(<4 x i32> %12, ptr %14)
35  %15 = add nuw nsw i64 %9, 10
36  %16 = icmp ult i64 %15, %6
37  br i1 %16, label %8, label %7
38}
39