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; RUN: llc -mtriple=hexagon -enable-pipeliner < %s
; REQUIRES: asserts
; This test checks that we don't assert when the Phi value from the
; loop is actually defined prior to the loop, e.g., from CSE.
define fastcc void @f0() {
b0:
br i1 undef, label %b10, label %b1
b1: ; preds = %b0
br i1 undef, label %b3, label %b2
b2: ; preds = %b1
br label %b8
b3: ; preds = %b1
br i1 undef, label %b4, label %b6
b4: ; preds = %b3
%v0 = load i16, ptr undef, align 2
br label %b7
b5: ; preds = %b7
br label %b6
b6: ; preds = %b5, %b3
%v1 = phi i16 [ %v9, %b5 ], [ 0, %b3 ]
br i1 undef, label %b10, label %b9
b7: ; preds = %b7, %b4
%v2 = phi i16 [ 0, %b7 ], [ %v0, %b4 ]
%v3 = phi i16 [ %v9, %b7 ], [ 0, %b4 ]
%v4 = phi i32 [ %v10, %b7 ], [ undef, %b4 ]
%v5 = or i16 0, %v3
%v6 = or i16 0, %v5
%v7 = or i16 0, %v6
%v8 = lshr i16 %v2, 8
%v9 = or i16 %v8, %v7
%v10 = add nsw i32 %v4, -32
%v11 = icmp sgt i32 %v10, 31
br i1 %v11, label %b7, label %b5
b8: ; preds = %b8, %b2
br label %b8
b9: ; preds = %b6
br label %b10
b10: ; preds = %b9, %b6, %b0
ret void
}
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