misched-crash.ll
1.75 KB
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; RUN: llc < %s -verify-machineinstrs -enable-misched -verify-misched
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10"
; This function contains a cmp instruction with two users.
; Hoisting the last use requires trimming the EFLAGS live range to the second.
define void @rdar13353090(i8* %plane, i64 %_x1, i64 %_x2) {
entry:
%cmp = icmp ult i64 %_x1, %_x2
%cond = select i1 %cmp, i64 %_x1, i64 %_x2
%cond10 = select i1 %cmp, i64 %_x2, i64 %_x1
%0 = load i64, i64* null, align 8
%cmp16 = icmp ult i64 %cond, %0
%cmp23 = icmp ugt i64 %cond10, 0
br i1 %cmp16, label %land.lhs.true21, label %return
land.lhs.true21: ; preds = %entry
%sub = add i64 %0, -1
br i1 %cmp23, label %if.then24, label %return
if.then24: ; preds = %land.lhs.true21
%cmp16.i = icmp ult i64 %cond, %sub
%cond20.i = select i1 %cmp16.i, i64 %cond, i64 %sub
%add21.i = add i64 0, %cond20.i
br label %for.body34.i
for.body34.i: ; preds = %for.inc39.i, %if.then24
%index.178.i = phi i64 [ %add21.i, %if.then24 ], [ %inc41.i, %for.inc39.i ]
%arrayidx35.i = getelementptr inbounds i8, i8* %plane, i64 %index.178.i
%1 = load i8, i8* %arrayidx35.i, align 1
%tobool36.i = icmp eq i8 %1, 0
br i1 %tobool36.i, label %for.inc39.i, label %return
for.inc39.i: ; preds = %for.body34.i
%inc41.i = add i64 %index.178.i, 1
br i1 undef, label %return, label %for.body34.i
return: ; preds = %for.inc39.i, %for.body34.i, %land.lhs.true21, %entry
ret void
}