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[ARM] add test for BreakFalseDeps with minsize attribute; NFC 

llvm-svn: 371526
This commit is contained in:
Sanjay Patel 2019-09-10 14:29:02 +00:00
parent 937ca68157
commit d2434e65fa
1 changed files with 32 additions and 0 deletions
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32
llvm/test/CodeGen/ARM/a15-partial-update.ll
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@ -55,3 +55,35 @@ loop:
ret:
ret void
}
define void @t2_minsize(<4 x i8> *%in, <4 x i8> *%out, i32 %n) minsize {
; CHECK-LABEL: t2_minsize:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: add r0, r0, #4
; CHECK-NEXT: add r1, r1, #4
; CHECK-NEXT: .LBB2_1: @ %loop
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vmov.f64 d16, #5.000000e-01
; CHECK-NEXT: vld1.32 {d16[0]}, [r0:32]
; CHECK-NEXT: vmovl.u8 q8, d16
; CHECK-NEXT: vuzp.8 d16, d18
; CHECK-NEXT: vst1.32 {d16[0]}, [r1:32]!
; CHECK-NEXT: add r0, r0, #4
; CHECK-NEXT: subs r2, r2, #1
; CHECK-NEXT: beq .LBB2_1
; CHECK-NEXT: @ %bb.2: @ %ret
; CHECK-NEXT: bx lr
entry:
br label %loop
loop:
%oldcount = phi i32 [0, %entry], [%newcount, %loop]
%newcount = add i32 %oldcount, 1
%p1 = getelementptr <4 x i8>, <4 x i8> *%in, i32 %newcount
%p2 = getelementptr <4 x i8>, <4 x i8> *%out, i32 %newcount
%tmp1 = load <4 x i8> , <4 x i8> *%p1, align 4
store <4 x i8> %tmp1, <4 x i8> *%p2
%cmp = icmp eq i32 %newcount, %n
br i1 %cmp, label %loop, label %ret
ret:
ret void
}