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; RUN: opt < %s -instcombine -S | FileCheck %s
; CHECK: no_crash
define float @no_crash(float %a) nounwind {
entry:
br label %for.body
for.body:
%sum.057 = phi float [ 0.000000e+00, %entry ], [ %add5, %bb0 ]
%add5 = fadd float %sum.057, %a ; PR14592
br i1 undef, label %bb0, label %end
bb0:
br label %for.body
end:
ret float %add5
}
; CHECK-LABEL: @pr21377(
define void @pr21377(i32) {
entry:
br label %while.body
while.body: ; preds = %if.end, %entry
%phi1 = phi i64 [ undef, %entry ], [ %or2, %if.end ]
%zext = zext i32 %0 to i64
br i1 undef, label %if.end, label %if.else
if.else: ; preds = %while.body
%or1 = or i64 %phi1, %zext
%and = and i64 %or1, 4294967295
br label %if.end
if.end: ; preds = %if.else, %while.body
%phi2 = phi i64 [ %and, %if.else ], [ undef, %while.body ]
%or2 = or i64 %phi2, %zext
br label %while.body
}
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