; Make sure LLVM doesn't generate wrong data in SinkAfter, and causes crash in
; loop vectorizer.
-define void @test_crash(ptr %p) {
+define double @test_crash(ptr %p, ptr noalias %a, ptr noalias %b) {
; CHECK-LABEL: @test_crash
; CHECK-NOT: vector.body:
; CHECK: ret
br label %Loop
Loop:
- %for.1 = phi double [ %iv1, %Loop ], [ 0.000000e+00, %Entry ]
- %for.2 = phi double [ %iv2, %Loop ], [ 0.000000e+00, %Entry ]
+ %for.1 = phi double [ %l1, %Loop ], [ 0.000000e+00, %Entry ]
+ %for.2 = phi double [ %l2, %Loop ], [ 0.000000e+00, %Entry ]
%for.3 = phi double [ %for.2, %Loop ], [ 0.000000e+00, %Entry ]
- %for.4 = phi i64 [ %count, %Loop ], [ 0, %Entry ]
+ %iv = phi i64 [ %iv.next, %Loop ], [ 0, %Entry ]
%USE_2_INDVARS = fdiv double %for.3, %for.1
%div = fdiv double 0.000000e+00, %for.1
- %iv1 = load double, ptr null, align 8
- %count = add nuw nsw i64 %for.4, 1
- %iv2 = load double, ptr null, align 8
+ %l1 = load double, ptr %a, align 8
+ %iv.next= add nuw nsw i64 %iv, 1
+ %l2 = load double, ptr %b, align 8
store double %div, ptr %p, align 8
- %cond = icmp eq i64 %count, 0
+ %cond = icmp eq i64 %iv.next, 0
br i1 %cond, label %End, label %Loop
End:
- ret void
+ %res.1 = fadd double %for.1, %for.2
+ %res.2 = fadd double %res.1, %for.3
+ ret double %res.2
}