llvm-6502/test/CodeGen/X86/2009-02-08-CoalescerBug.ll

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; RUN: llvm-as < %s | llc -march=x86
; PR3486
define i32 @foo(i8 signext %p_26) nounwind {
entry:
%0 = icmp eq i8 %p_26, 0 ; <i1> [#uses=2]
%or.cond = or i1 false, %0 ; <i1> [#uses=2]
%iftmp.1.0 = zext i1 %or.cond to i16 ; <i16> [#uses=1]
br i1 %0, label %bb.i, label %bar.exit
bb.i: ; preds = %entry
%1 = zext i1 %or.cond to i32 ; <i32> [#uses=1]
%2 = sdiv i32 %1, 0 ; <i32> [#uses=1]
%3 = trunc i32 %2 to i16 ; <i16> [#uses=1]
br label %bar.exit
bar.exit: ; preds = %bb.i, %entry
%4 = phi i16 [ %3, %bb.i ], [ %iftmp.1.0, %entry ] ; <i16> [#uses=1]
%5 = trunc i16 %4 to i8 ; <i8> [#uses=1]
%6 = sext i8 %5 to i32 ; <i32> [#uses=1]
ret i32 %6
}