mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-29 11:29:39 +00:00
b9803a8fa6
load of a GV from constantpool and then add pc. It allows the code sequence to be rematerializable so it would be hoisted by machine licm. - Add a late pass to break these pseudo instructions into a number of real instructions. Also move the code in Thumb2 IT pass that breaks up t2MOVi32imm to this pass. This is done before post regalloc scheduling to allow the scheduler to proper schedule these instructions. It also allow them to be if-converted and shrunk by later passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86304 91177308-0d34-0410-b5e6-96231b3b80d8
153 lines
7.1 KiB
LLVM
153 lines
7.1 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
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%struct.pix_pos = type { i32, i32, i32, i32, i32, i32 }
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@getNeighbour = external global void (i32, i32, i32, i32, %struct.pix_pos*)*, align 4 ; <void (i32, i32, i32, i32, %struct.pix_pos*)**> [#uses=2]
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define arm_apcscc void @t() nounwind {
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; CHECK: t:
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; CHECK: it eq
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; CHECK-NEXT: cmpeq
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entry:
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%pix_a.i294 = alloca [4 x %struct.pix_pos], align 4 ; <[4 x %struct.pix_pos]*> [#uses=2]
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br i1 undef, label %land.rhs, label %lor.end
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land.rhs: ; preds = %entry
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br label %lor.end
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lor.end: ; preds = %land.rhs, %entry
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switch i32 0, label %if.end371 [
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i32 10, label %if.then366
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i32 14, label %if.then366
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]
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if.then366: ; preds = %lor.end, %lor.end
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unreachable
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if.end371: ; preds = %lor.end
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%arrayidx56.2.i = getelementptr [4 x %struct.pix_pos]* %pix_a.i294, i32 0, i32 2 ; <%struct.pix_pos*> [#uses=1]
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%arrayidx56.3.i = getelementptr [4 x %struct.pix_pos]* %pix_a.i294, i32 0, i32 3 ; <%struct.pix_pos*> [#uses=1]
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br i1 undef, label %for.body1857, label %for.end4557
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for.body1857: ; preds = %if.end371
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br i1 undef, label %if.then1867, label %for.cond1933
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if.then1867: ; preds = %for.body1857
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unreachable
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for.cond1933: ; preds = %for.body1857
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br i1 undef, label %for.body1940, label %if.then4493
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for.body1940: ; preds = %for.cond1933
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%shl = shl i32 undef, 2 ; <i32> [#uses=1]
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%shl1959 = shl i32 undef, 2 ; <i32> [#uses=4]
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br i1 undef, label %if.then1992, label %if.else2003
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if.then1992: ; preds = %for.body1940
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%tmp14.i302 = load i32* undef ; <i32> [#uses=4]
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%add.i307452 = or i32 %shl1959, 1 ; <i32> [#uses=1]
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%sub.i308 = add i32 %shl, -1 ; <i32> [#uses=4]
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call arm_apcscc void undef(i32 %tmp14.i302, i32 %sub.i308, i32 %shl1959, i32 0, %struct.pix_pos* undef) nounwind
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%tmp49.i309 = load void (i32, i32, i32, i32, %struct.pix_pos*)** @getNeighbour ; <void (i32, i32, i32, i32, %struct.pix_pos*)*> [#uses=1]
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call arm_apcscc void %tmp49.i309(i32 %tmp14.i302, i32 %sub.i308, i32 %add.i307452, i32 0, %struct.pix_pos* null) nounwind
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%tmp49.1.i = load void (i32, i32, i32, i32, %struct.pix_pos*)** @getNeighbour ; <void (i32, i32, i32, i32, %struct.pix_pos*)*> [#uses=1]
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call arm_apcscc void %tmp49.1.i(i32 %tmp14.i302, i32 %sub.i308, i32 undef, i32 0, %struct.pix_pos* %arrayidx56.2.i) nounwind
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call arm_apcscc void undef(i32 %tmp14.i302, i32 %sub.i308, i32 undef, i32 0, %struct.pix_pos* %arrayidx56.3.i) nounwind
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unreachable
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if.else2003: ; preds = %for.body1940
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switch i32 undef, label %if.then2015 [
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i32 10, label %if.then4382
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i32 14, label %if.then4382
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]
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if.then2015: ; preds = %if.else2003
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br i1 undef, label %if.else2298, label %if.then2019
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if.then2019: ; preds = %if.then2015
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br i1 undef, label %if.then2065, label %if.else2081
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if.then2065: ; preds = %if.then2019
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br label %if.end2128
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if.else2081: ; preds = %if.then2019
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br label %if.end2128
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if.end2128: ; preds = %if.else2081, %if.then2065
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unreachable
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if.else2298: ; preds = %if.then2015
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br i1 undef, label %land.lhs.true2813, label %cond.end2841
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land.lhs.true2813: ; preds = %if.else2298
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br i1 undef, label %cond.end2841, label %cond.true2824
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cond.true2824: ; preds = %land.lhs.true2813
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br label %cond.end2841
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cond.end2841: ; preds = %cond.true2824, %land.lhs.true2813, %if.else2298
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br i1 undef, label %for.cond2882.preheader, label %for.cond2940.preheader
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for.cond2882.preheader: ; preds = %cond.end2841
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%mul3693 = shl i32 undef, 1 ; <i32> [#uses=2]
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br i1 undef, label %if.then3689, label %if.else3728
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for.cond2940.preheader: ; preds = %cond.end2841
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br label %for.inc3040
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for.inc3040: ; preds = %for.inc3040, %for.cond2940.preheader
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br label %for.inc3040
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if.then3689: ; preds = %for.cond2882.preheader
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%add3695 = add nsw i32 %mul3693, %shl1959 ; <i32> [#uses=1]
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%mul3697 = shl i32 %add3695, 2 ; <i32> [#uses=2]
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%arrayidx3705 = getelementptr inbounds i16* undef, i32 1 ; <i16*> [#uses=1]
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%tmp3706 = load i16* %arrayidx3705 ; <i16> [#uses=1]
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%conv3707 = sext i16 %tmp3706 to i32 ; <i32> [#uses=1]
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%add3708 = add nsw i32 %conv3707, %mul3697 ; <i32> [#uses=1]
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%arrayidx3724 = getelementptr inbounds i16* null, i32 1 ; <i16*> [#uses=1]
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%tmp3725 = load i16* %arrayidx3724 ; <i16> [#uses=1]
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%conv3726 = sext i16 %tmp3725 to i32 ; <i32> [#uses=1]
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%add3727 = add nsw i32 %conv3726, %mul3697 ; <i32> [#uses=1]
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br label %if.end3770
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if.else3728: ; preds = %for.cond2882.preheader
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%mul3733 = add i32 %shl1959, 1073741816 ; <i32> [#uses=1]
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%add3735 = add nsw i32 %mul3733, %mul3693 ; <i32> [#uses=1]
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%mul3737 = shl i32 %add3735, 2 ; <i32> [#uses=2]
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%tmp3746 = load i16* undef ; <i16> [#uses=1]
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%conv3747 = sext i16 %tmp3746 to i32 ; <i32> [#uses=1]
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%add3748 = add nsw i32 %conv3747, %mul3737 ; <i32> [#uses=1]
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%arrayidx3765 = getelementptr inbounds i16* null, i32 1 ; <i16*> [#uses=1]
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%tmp3766 = load i16* %arrayidx3765 ; <i16> [#uses=1]
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%conv3767 = sext i16 %tmp3766 to i32 ; <i32> [#uses=1]
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%add3768 = add nsw i32 %conv3767, %mul3737 ; <i32> [#uses=1]
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br label %if.end3770
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if.end3770: ; preds = %if.else3728, %if.then3689
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%vec2_y.1 = phi i32 [ %add3727, %if.then3689 ], [ %add3768, %if.else3728 ] ; <i32> [#uses=0]
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%vec1_y.2 = phi i32 [ %add3708, %if.then3689 ], [ %add3748, %if.else3728 ] ; <i32> [#uses=0]
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unreachable
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if.then4382: ; preds = %if.else2003, %if.else2003
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switch i32 undef, label %if.then4394 [
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i32 10, label %if.else4400
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i32 14, label %if.else4400
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]
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if.then4394: ; preds = %if.then4382
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unreachable
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if.else4400: ; preds = %if.then4382, %if.then4382
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br label %for.cond4451.preheader
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for.cond4451.preheader: ; preds = %for.cond4451.preheader, %if.else4400
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br label %for.cond4451.preheader
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if.then4493: ; preds = %for.cond1933
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unreachable
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for.end4557: ; preds = %if.end371
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ret void
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}
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