2009-11-25-ImpDefBug.ll
2.29 KB
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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-unknown-linux-gnu.5 -mcpu=g5
; rdar://7422268
%struct..0EdgeT = type { i32, i32, float, float, i32, i32, i32, float, i32, i32 }
define void @smooth_color_z_triangle(i32 %v0, i32 %v1, i32 %v2, i32 %pv) nounwind {
entry:
br i1 undef, label %return, label %bb14
bb14: ; preds = %entry
br i1 undef, label %bb15, label %return
bb15: ; preds = %bb14
br i1 undef, label %bb16, label %bb17
bb16: ; preds = %bb15
br label %bb17
bb17: ; preds = %bb16, %bb15
%0 = fcmp olt float undef, 0.000000e+00 ; <i1> [#uses=2]
%eTop.eMaj = select i1 %0, %struct..0EdgeT* undef, %struct..0EdgeT* null ; <%struct..0EdgeT*> [#uses=1]
br label %bb69
bb24: ; preds = %bb69
br i1 undef, label %bb25, label %bb28
bb25: ; preds = %bb24
br label %bb33
bb28: ; preds = %bb24
br i1 undef, label %return, label %bb32
bb32: ; preds = %bb28
br i1 %0, label %bb38, label %bb33
bb33: ; preds = %bb32, %bb25
br i1 undef, label %bb34, label %bb38
bb34: ; preds = %bb33
br label %bb38
bb38: ; preds = %bb34, %bb33, %bb32
%eRight.08 = phi %struct..0EdgeT* [ %eTop.eMaj, %bb32 ], [ undef, %bb34 ], [ undef, %bb33 ] ; <%struct..0EdgeT*> [#uses=0]
%fdgOuter.0 = phi i32 [ %fdgOuter.1, %bb32 ], [ undef, %bb34 ], [ %fdgOuter.1, %bb33 ] ; <i32> [#uses=1]
%fz.3 = phi i32 [ %fz.2, %bb32 ], [ 2147483647, %bb34 ], [ %fz.2, %bb33 ] ; <i32> [#uses=1]
%1 = add i32 undef, 1 ; <i32> [#uses=0]
br label %bb69
bb69: ; preds = %bb38, %bb17
%fdgOuter.1 = phi i32 [ undef, %bb17 ], [ %fdgOuter.0, %bb38 ] ; <i32> [#uses=2]
%fz.2 = phi i32 [ undef, %bb17 ], [ %fz.3, %bb38 ] ; <i32> [#uses=2]
br i1 undef, label %bb24, label %return
return: ; preds = %bb69, %bb28, %bb14, %entry
ret void
}