diff options
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/if-conversion-edgemasks.ll | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/if-conversion-edgemasks.ll b/llvm/test/Transforms/LoopVectorize/if-conversion-edgemasks.ll new file mode 100644 index 00000000000..27c274d557e --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/if-conversion-edgemasks.ll @@ -0,0 +1,243 @@ +; RUN: opt -S -loop-vectorize < %s | FileCheck %s + +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-macosx10.9.0" + +@a = global i32* null, align 8 +@b = global i32* null, align 8 +@c = global i32* null, align 8 + +; Don't create an exponetial IR for the edge masks needed when if-converting +; this code. + +; PR16472 + +; CHECK-NOT: %6000000 = + +define void @_Z3fn4i(i32 %p1) { +entry: + %cmp88 = icmp sgt i32 %p1, 0 + br i1 %cmp88, label %for.body.lr.ph, label %for.end + +for.body.lr.ph: + %0 = load i32** @b, align 8 %1 = load i32** @a, align 8 %2 = load i32** @c, align 8 br label %for.body + +for.body: + %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %_ZL3fn3ii.exit58 ] + %arrayidx = getelementptr inbounds i32* %0, i64 %indvars.iv + %3 = load i32* %arrayidx, align 4 %4 = trunc i64 %indvars.iv to i32 + %and.i = and i32 %4, 1 + %tobool.i.i = icmp eq i32 %and.i, 0 + br i1 %tobool.i.i, label %if.end.i, label %if.then.i + +if.then.i: + %and.i.i = lshr i32 %3, 2 + %and.lobit.i.i = and i32 %and.i.i, 1 + %5 = xor i32 %and.lobit.i.i, 1 + %or.i.i = or i32 %5, %3 + %cmp.i = icmp sgt i32 %or.i.i, 0 + %conv.i = zext i1 %cmp.i to i32 + br label %if.end.i + +if.end.i: + %tobool.i87 = phi i1 [ true, %if.then.i ], [ false, %for.body ] + %p1.addr.0.i = phi i32 [ %conv.i, %if.then.i ], [ %3, %for.body ] + %6 = trunc i64 %indvars.iv to i32 + %and1.i = and i32 %6, 7 + %tobool2.i = icmp eq i32 %and1.i, 0 + br i1 %tobool2.i, label %if.end7.i, label %if.then3.i + +if.then3.i: + %p1.addr.0.lobit.i = lshr i32 %p1.addr.0.i, 31 + %and6.i = and i32 %p1.addr.0.i, 1 + %or.i = or i32 %p1.addr.0.lobit.i, %and6.i + br label %if.end7.i + +if.end7.i: + %p1.addr.1.i = phi i32 [ %or.i, %if.then3.i ], [ %p1.addr.0.i, %if.end.i ] + br i1 %tobool.i87, label %if.then10.i, label %if.end13.i + +if.then10.i: + %cmp11.i = icmp sgt i32 %p1.addr.1.i, 0 + %conv12.i = zext i1 %cmp11.i to i32 + br label %if.end13.i + +if.end13.i: + %p1.addr.2.i = phi i32 [ %conv12.i, %if.then10.i ], [ %p1.addr.1.i, %if.end7.i ] + br i1 %tobool.i.i, label %_Z3fn2iii.exit, label %if.then16.i + +if.then16.i: + %and17.i = lshr i32 %p1.addr.2.i, 3 + %and17.lobit.i = and i32 %and17.i, 1 + br label %_Z3fn2iii.exit + +_Z3fn2iii.exit: + %p1.addr.3.i = phi i32 [ %and17.lobit.i, %if.then16.i ], [ %p1.addr.2.i, %if.end13.i ] + %7 = trunc i64 %indvars.iv to i32 + %shr.i = ashr i32 %7, 1 + %and.i18.i = and i32 %shr.i, 1 + %tobool.i19.i = icmp ne i32 %and.i18.i, 0 + br i1 %tobool.i19.i, label %if.then.i20.i, label %if.end.i.i + +if.then.i20.i: + %cmp.i.i = icmp sgt i32 %p1.addr.3.i, 0 + %conv.i.i = zext i1 %cmp.i.i to i32 + br label %if.end.i.i + +if.end.i.i: + %p1.addr.0.i21.i = phi i32 [ %conv.i.i, %if.then.i20.i ], [ %p1.addr.3.i, %_Z3fn2iii.exit ] + %and1.i.i = and i32 %shr.i, 7 + %tobool2.i.i = icmp eq i32 %and1.i.i, 0 + br i1 %tobool2.i.i, label %if.end7.i.i, label %if.then3.i.i + +if.then3.i.i: + %p1.addr.0.lobit.i.i = lshr i32 %p1.addr.0.i21.i, 31 + %and6.i.i = and i32 %p1.addr.0.i21.i, 1 + %or.i22.i = or i32 %p1.addr.0.lobit.i.i, %and6.i.i + br label %if.end7.i.i + +if.end7.i.i: + %p1.addr.1.i.i = phi i32 [ %or.i22.i, %if.then3.i.i ], [ %p1.addr.0.i21.i, %if.end.i.i ] + br i1 %tobool.i19.i, label %if.then10.i.i, label %if.end13.i.i + +if.then10.i.i: + %cmp11.i.i = icmp sgt i32 %p1.addr.1.i.i, 0 + %conv12.i.i = zext i1 %cmp11.i.i to i32 + br label %if.end13.i.i + +if.end13.i.i: + %p1.addr.2.i.i = phi i32 [ %conv12.i.i, %if.then10.i.i ], [ %p1.addr.1.i.i, %if.end7.i.i ] + %and14.i.i = and i32 %shr.i, 5 + %tobool15.i.i = icmp eq i32 %and14.i.i, 0 + br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i, label %if.then16.i.i + +if.then16.i.i: + %and17.i.i = lshr i32 %p1.addr.2.i.i, 3 + %and17.lobit.i.i = and i32 %and17.i.i, 1 + br label %_Z3fn2iii.exit.i + +_Z3fn2iii.exit.i: + %p1.addr.3.i.i = phi i32 [ %and17.lobit.i.i, %if.then16.i.i ], [ %p1.addr.2.i.i, %if.end13.i.i ] + %8 = trunc i64 %indvars.iv to i32 + %tobool.i11.i = icmp eq i32 %8, 0 + br i1 %tobool.i11.i, label %_ZL3fn3ii.exit, label %if.then.i15.i + +if.then.i15.i: + %and.i12.i = lshr i32 %p1.addr.3.i.i, 2 + %and.lobit.i13.i = and i32 %and.i12.i, 1 + %9 = xor i32 %and.lobit.i13.i, 1 + %or.i14.i = or i32 %9, %p1.addr.3.i.i + br label %_ZL3fn3ii.exit + +_ZL3fn3ii.exit: + %p1.addr.0.i16.i = phi i32 [ %or.i14.i, %if.then.i15.i ], [ %p1.addr.3.i.i, %_Z3fn2iii.exit.i ] + %arrayidx2 = getelementptr inbounds i32* %1, i64 %indvars.iv + store i32 %p1.addr.0.i16.i, i32* %arrayidx2, align 4 %arrayidx4 = getelementptr inbounds i32* %0, i64 %indvars.iv + %10 = load i32* %arrayidx4, align 4 br i1 %tobool.i.i, label %_Z3fn1ii.exit.i26, label %if.then.i.i21 + +if.then.i.i21: + %and.i.i18 = lshr i32 %10, 2 + %and.lobit.i.i19 = and i32 %and.i.i18, 1 + %11 = xor i32 %and.lobit.i.i19, 1 + %or.i.i20 = or i32 %11, %10 + br label %_Z3fn1ii.exit.i26 + +_Z3fn1ii.exit.i26: + %p1.addr.0.i.i22 = phi i32 [ %or.i.i20, %if.then.i.i21 ], [ %10, %_ZL3fn3ii.exit ] + br i1 %tobool.i87, label %if.then.i63, label %if.end.i67 + +if.then.i63: + %cmp.i61 = icmp sgt i32 %p1.addr.0.i.i22, 0 + %conv.i62 = zext i1 %cmp.i61 to i32 + br label %if.end.i67 + +if.end.i67: + %p1.addr.0.i64 = phi i32 [ %conv.i62, %if.then.i63 ], [ %p1.addr.0.i.i22, %_Z3fn1ii.exit.i26 ] + br i1 %tobool2.i, label %if.end7.i73, label %if.then3.i71 + +if.then3.i71: + %p1.addr.0.lobit.i68 = lshr i32 %p1.addr.0.i64, 31 + %and6.i69 = and i32 %p1.addr.0.i64, 1 + %or.i70 = or i32 %p1.addr.0.lobit.i68, %and6.i69 + br label %if.end7.i73 + +if.end7.i73: + %p1.addr.1.i72 = phi i32 [ %or.i70, %if.then3.i71 ], [ %p1.addr.0.i64, %if.end.i67 ] + br i1 %tobool.i87, label %if.then10.i76, label %if.end13.i80 + +if.then10.i76: + %cmp11.i74 = icmp sgt i32 %p1.addr.1.i72, 0 + %conv12.i75 = zext i1 %cmp11.i74 to i32 + br label %if.end13.i80 + +if.end13.i80: + %p1.addr.2.i77 = phi i32 [ %conv12.i75, %if.then10.i76 ], [ %p1.addr.1.i72, %if.end7.i73 ] + br i1 %tobool.i.i, label %_Z3fn2iii.exit85, label %if.then16.i83 + +if.then16.i83: + %and17.i81 = lshr i32 %p1.addr.2.i77, 3 + %and17.lobit.i82 = and i32 %and17.i81, 1 + br label %_Z3fn2iii.exit85 + +_Z3fn2iii.exit85: + %p1.addr.3.i84 = phi i32 [ %and17.lobit.i82, %if.then16.i83 ], [ %p1.addr.2.i77, %if.end13.i80 ] + br i1 %tobool.i19.i, label %if.then.i20.i29, label %if.end.i.i33 + +if.then.i20.i29: + %cmp.i.i27 = icmp sgt i32 %p1.addr.3.i84, 0 + %conv.i.i28 = zext i1 %cmp.i.i27 to i32 + br label %if.end.i.i33 + +if.end.i.i33: + %p1.addr.0.i21.i30 = phi i32 [ %conv.i.i28, %if.then.i20.i29 ], [ %p1.addr.3.i84, %_Z3fn2iii.exit85 ] + br i1 %tobool2.i.i, label %if.end7.i.i39, label %if.then3.i.i37 + +if.then3.i.i37: + %p1.addr.0.lobit.i.i34 = lshr i32 %p1.addr.0.i21.i30, 31 + %and6.i.i35 = and i32 %p1.addr.0.i21.i30, 1 + %or.i22.i36 = or i32 %p1.addr.0.lobit.i.i34, %and6.i.i35 + br label %if.end7.i.i39 + +if.end7.i.i39: + %p1.addr.1.i.i38 = phi i32 [ %or.i22.i36, %if.then3.i.i37 ], [ %p1.addr.0.i21.i30, %if.end.i.i33 ] + br i1 %tobool.i19.i, label %if.then10.i.i42, label %if.end13.i.i46 + +if.then10.i.i42: + %cmp11.i.i40 = icmp sgt i32 %p1.addr.1.i.i38, 0 + %conv12.i.i41 = zext i1 %cmp11.i.i40 to i32 + br label %if.end13.i.i46 + +if.end13.i.i46: + %p1.addr.2.i.i43 = phi i32 [ %conv12.i.i41, %if.then10.i.i42 ], [ %p1.addr.1.i.i38, %if.end7.i.i39 ] + br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i52, label %if.then16.i.i49 + +if.then16.i.i49: + %and17.i.i47 = lshr i32 %p1.addr.2.i.i43, 3 + %and17.lobit.i.i48 = and i32 %and17.i.i47, 1 + br label %_Z3fn2iii.exit.i52 + +_Z3fn2iii.exit.i52: + %p1.addr.3.i.i50 = phi i32 [ %and17.lobit.i.i48, %if.then16.i.i49 ], [ %p1.addr.2.i.i43, %if.end13.i.i46 ] + br i1 %tobool.i11.i, label %_ZL3fn3ii.exit58, label %if.then.i15.i56 + +if.then.i15.i56: + %and.i12.i53 = lshr i32 %p1.addr.3.i.i50, 2 + %and.lobit.i13.i54 = and i32 %and.i12.i53, 1 + %12 = xor i32 %and.lobit.i13.i54, 1 + %or.i14.i55 = or i32 %12, %p1.addr.3.i.i50 + br label %_ZL3fn3ii.exit58 + +_ZL3fn3ii.exit58: + %p1.addr.0.i16.i57 = phi i32 [ %or.i14.i55, %if.then.i15.i56 ], [ %p1.addr.3.i.i50, %_Z3fn2iii.exit.i52 ] + %arrayidx7 = getelementptr inbounds i32* %2, i64 %indvars.iv + store i32 %p1.addr.0.i16.i57, i32* %arrayidx7, align 4 %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp ne i32 %lftr.wideiv, %p1 + br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge + +for.cond.for.end_crit_edge: + br label %for.end + +for.end: + ret void +} |
