Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/sink-out-of-loop.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 60c9769439b8 |
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; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck %s ; A MOV32ri is inside a loop, it has two successors, one successor is inside the ; same loop, the other successor is outside the loop. We should be able to sink ; MOV32ri outside the loop. ; rdar://11980766 define i32 @sink_succ(i32 %argc, i8** nocapture %argv) nounwind uwtable ssp { ; CHECK: sink_succ ; CHECK: [[OUTER_LN1:LBB0_[0-9]+]]: ## %preheader ; CHECK: %exit ; CHECK-NOT: movl ; CHECK: jne [[OUTER_LN1]] ; CHECK: movl ; CHECK: [[LN2:LBB0_[0-9]+]]: ## %for.body2 ; CHECK: jne [[LN2]] ; CHECK: ret entry: br label %preheader preheader: %i.127 = phi i32 [ 0, %entry ], [ %inc9, %exit ] br label %for.body1.lr for.body1.lr: %iv30 = phi i32 [ 1, %preheader ], [ %iv.next31, %for.inc40.i ] br label %for.body1 for.body1: %iv.i = phi i64 [ 0, %for.body1.lr ], [ %iv.next.i, %for.body1 ] %iv.next.i = add i64 %iv.i, 1 %lftr.wideiv32 = trunc i64 %iv.next.i to i32 %exitcond33 = icmp eq i32 %lftr.wideiv32, %iv30 br i1 %exitcond33, label %for.inc40.i, label %for.body1 for.inc40.i: %iv.next31 = add i32 %iv30, 1 %exitcond49.i = icmp eq i32 %iv.next31, 32 br i1 %exitcond49.i, label %exit, label %for.body1.lr exit: %inc9 = add nsw i32 %i.127, 1 %exitcond34 = icmp eq i32 %inc9, 10 br i1 %exitcond34, label %for.body2, label %preheader for.body2: %iv = phi i64 [ %iv.next, %for.body2 ], [ 0, %exit ] %iv.next = add i64 %iv, 1 %lftr.wideiv = trunc i64 %iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 2048 br i1 %exitcond, label %for.end20, label %for.body2 for.end20: ret i32 0 }