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; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=fiji -loop-vectorize < %s | FileCheck %s
; For AMDGPU, loop unroll in loop vectorizer is disabled when VF==1.
;
; CHECK-LABEL: @small_loop(
; CHECK: store i32
; CHECK-NOT: store i32
; CHECK: ret
define amdgpu_kernel void @small_loop(i32* nocapture %inArray, i32 %size) nounwind {
entry:
%0 = icmp sgt i32 %size, 0
br i1 %0, label %loop, label %exit
loop: ; preds = %entry, %loop
%iv = phi i32 [ %iv1, %loop ], [ 0, %entry ]
%1 = getelementptr inbounds i32, i32* %inArray, i32 %iv
%2 = load i32, i32* %1, align 4
%3 = add nsw i32 %2, 6
store i32 %3, i32* %1, align 4
%iv1 = add i32 %iv, 1
; %lftr.wideiv = trunc i64 %indvars.iv.next to i32
%cond = icmp eq i32 %iv1, %size
br i1 %cond, label %exit, label %loop
exit: ; preds = %loop, %entry
ret void
}
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