xref: /llvm-project/llvm/test/Transforms/LoopUnroll/peel-loop-and-unroll.ll (revision ef992b60798b6cd2c50b25351bfc392e319896b7)
1; RUN: not opt -passes=loop-unroll -unroll-peel-count=2 -unroll-count=2 -S < %s 2>&1 | FileCheck %s
2
3; CHECK: LLVM ERROR: Cannot specify both explicit peel count and explicit unroll count
4
5@a = global [8 x i32] zeroinitializer, align 16
6
7define void @test1() {
8entry:
9  br label %for.body
10
11for.body:                                         ; preds = %entry, %for.body
12  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
13  %arrayidx = getelementptr inbounds [8 x i32], ptr @a, i64 0, i64 %indvars.iv
14  %0 = trunc i64 %indvars.iv to i32
15  store i32 %0, ptr %arrayidx, align 4
16  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
17  %exitcond = icmp ne i64 %indvars.iv.next, 8
18  br i1 %exitcond, label %for.body, label %for.exit
19
20for.exit:                        ; preds = %for.body
21  ret void
22}
23