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[Test] One more test with potentially malformed phis

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This commit is contained in:
Max Kazantsev 2022-04-20 15:49:54 +07:00
parent 5b6742a6bd
commit a0595f8c99
1 changed files with 53 additions and 0 deletions
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53
llvm/test/Transforms/SLPVectorizer/X86/malformed_phis.ll
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@ -56,5 +56,58 @@ bb1: ; preds = %bb1, %bb
br label %bb1
}
define void @test_2(i8 addrspace(1)* %arg, i32 %arg1) #0 {
; CHECK-LABEL: @test_2(
; CHECK-NEXT: bb:
; CHECK-NEXT: br label [[BB2:%.*]]
; CHECK: bb2:
; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ undef, [[BB:%.*]] ], [ undef, [[BB2]] ]
; CHECK-NEXT: [[TMP3:%.*]] = phi i32 [ 0, [[BB]] ], [ undef, [[BB2]] ]
; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[TMP]], undef
; CHECK-NEXT: [[TMP5:%.*]] = add i32 undef, [[TMP4]]
; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[TMP]], [[TMP5]]
; CHECK-NEXT: [[TMP7:%.*]] = add i32 undef, [[TMP6]]
; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[TMP]], [[TMP7]]
; CHECK-NEXT: [[TMP9:%.*]] = add i32 undef, [[TMP8]]
; CHECK-NEXT: [[TMP10:%.*]] = add i32 [[TMP]], [[TMP9]]
; CHECK-NEXT: [[TMP11:%.*]] = add i32 undef, [[TMP10]]
; CHECK-NEXT: [[TMP12:%.*]] = add i32 [[TMP]], [[TMP11]]
; CHECK-NEXT: [[TMP13:%.*]] = add i32 undef, [[TMP12]]
; CHECK-NEXT: [[TMP14:%.*]] = add i32 [[TMP]], [[TMP13]]
; CHECK-NEXT: [[TMP15:%.*]] = add i32 undef, [[TMP14]]
; CHECK-NEXT: [[TMP16:%.*]] = add i32 [[TMP]], [[TMP15]]
; CHECK-NEXT: [[TMP17:%.*]] = add i32 undef, [[TMP16]]
; CHECK-NEXT: [[TMP18:%.*]] = add i32 [[TMP]], [[TMP17]]
; CHECK-NEXT: [[TMP19:%.*]] = add i32 undef, [[TMP18]]
; CHECK-NEXT: call void @use(i32 [[TMP19]])
; CHECK-NEXT: br label [[BB2]]
;
bb:
br label %bb2
bb2: ; preds = %bb2, %bb
%tmp = phi i32 [ undef, %bb ], [ undef, %bb2 ]
%tmp3 = phi i32 [ 0, %bb ], [ undef, %bb2 ]
%tmp4 = add i32 %tmp, undef
%tmp5 = add i32 undef, %tmp4
%tmp6 = add i32 %tmp, %tmp5
%tmp7 = add i32 undef, %tmp6
%tmp8 = add i32 %tmp, %tmp7
%tmp9 = add i32 undef, %tmp8
%tmp10 = add i32 %tmp, %tmp9
%tmp11 = add i32 undef, %tmp10
%tmp12 = add i32 %tmp, %tmp11
%tmp13 = add i32 undef, %tmp12
%tmp14 = add i32 %tmp, %tmp13
%tmp15 = add i32 undef, %tmp14
%tmp16 = add i32 %tmp, %tmp15
%tmp17 = add i32 undef, %tmp16
%tmp18 = add i32 %tmp, %tmp17
%tmp19 = add i32 undef, %tmp18
call void @use(i32 %tmp19)
br label %bb2
}
declare void @use(i32) #0
attributes #0 = { "target-features"="+sse4.1" }