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May 9, 2022 22:45
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D125248 sample
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; RUN: opt -aa-pipeline=default /tmp/example3.ll -S -passes='instcombine,gvn,simplifycfg<switch-range-to-icmp;hoist-common-insts;sink-common-insts>' | |
declare void @consume(i32) | |
define dso_local void @bilinearKernel(i32 noundef %height, [256 x i32]* nocapture noundef readonly %inputImage, i1 %test, i64 %index, i32 %t.exit, i32 %t.exit1) { | |
entry: | |
br label %for.preheader | |
for.preheader: | |
%i = phi i32 [%i.next, %for.backedge], [0, %entry] | |
%div = lshr i32 %i, 2 | |
%idx1 = zext i32 %div to i64 | |
%add = add i32 %div, 1 | |
%cmp = icmp slt i32 %add, %height | |
%idx2 = zext i32 %div to i64 | |
; ; Option 1: | |
; %cmp.fr = freeze i1 %cmp | |
; br i1 %cmp.fr, label %for.body.us1, label %for.body.us2 | |
; Option 2: | |
br i1 %cmp, label %for.body.us1, label %for.body.us2 | |
for.body.us2: | |
%j = phi i32 [ %inc.us199, %for.inc.us198 ], [ 0, %for.preheader] | |
br i1 %test, label %if.then, label %if.else | |
if.else: | |
%arrayidx93.us189 = getelementptr inbounds [256 x i32], [256 x i32]* %inputImage, i64 %idx1, i64 %index | |
%val1 = load i32, i32* %arrayidx93.us189, align 4 | |
call void @consume(i32 %val1) | |
br label %for.inc.us198 | |
if.then: | |
%arrayidx68.us = getelementptr inbounds [256 x i32], [256 x i32]* %inputImage, i64 %idx2, i64 %index | |
%val2 = load i32, i32* %arrayidx68.us, align 4 | |
call void @consume(i32 %val2) | |
br label %for.inc.us198 | |
for.body.us1: | |
br label %for.backedge | |
for.inc.us198: | |
%inc.us199 = add nuw nsw i32 %j, 1 | |
%cmp5.us200 = icmp slt i32 %inc.us199, %t.exit1 | |
br i1 %cmp5.us200, label %for.body.us2, label %for.backedge | |
for.backedge: | |
%i.next = add nuw nsw i32 %i, 1 | |
%cmp.us = icmp slt i32 %i.next, %t.exit | |
br i1 %cmp.us, label %for.preheader, label %end | |
end: | |
ret void | |
} |
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define dso_local void @bilinearKernel(i32 noundef %height, [256 x i32]* nocapture noundef readonly %inputImage, i1 %test, i64 %index, i32 %t.exit, i32 %t.exit1) { | |
entry: | |
br label %for.preheader | |
for.preheader: ; preds = %for.backedge, %entry | |
%i = phi i32 [ %i.next, %for.backedge ], [ 0, %entry ] | |
%div = lshr i32 %i, 2 | |
%idx1 = zext i32 %div to i64 | |
%div.fr = freeze i32 %div | |
%add = add i32 %div.fr, 1 | |
%cmp = icmp slt i32 %add, %height | |
%idx2 = zext i32 %div.fr to i64 | |
br i1 %cmp, label %for.backedge, label %for.body.us2 | |
for.body.us2: ; preds = %for.body.us2, %for.preheader | |
%j = phi i32 [ %inc.us199, %for.body.us2 ], [ 0, %for.preheader ] | |
%idx2.idx1 = select i1 %test, i64 %idx2, i64 %idx1 | |
%arrayidx68.us = getelementptr inbounds [256 x i32], [256 x i32]* %inputImage, i64 %idx2.idx1, i64 %index | |
%val2 = load i32, i32* %arrayidx68.us, align 4 | |
call void @consume(i32 %val2) | |
%inc.us199 = add nuw nsw i32 %j, 1 | |
%cmp5.us200 = icmp slt i32 %inc.us199, %t.exit1 | |
br i1 %cmp5.us200, label %for.body.us2, label %for.backedge | |
for.backedge: ; preds = %for.preheader, %for.body.us2 | |
%i.next = add nuw nsw i32 %i, 1 | |
%cmp.us = icmp slt i32 %i.next, %t.exit | |
br i1 %cmp.us, label %for.preheader, label %end | |
end: ; preds = %for.backedge | |
ret void | |
} |
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define dso_local void @bilinearKernel(i32 noundef %height, [256 x i32]* nocapture noundef readonly %inputImage, i1 %test, i64 %index, i32 %t.exit, i32 %t.exit1) { | |
entry: | |
br label %for.preheader | |
for.preheader: ; preds = %for.backedge, %entry | |
%i = phi i32 [ %i.next, %for.backedge ], [ 0, %entry ] | |
%div = lshr i32 %i, 2 | |
%idx1 = zext i32 %div to i64 | |
%add = add nuw nsw i32 %div, 1 | |
%cmp = icmp slt i32 %add, %height | |
br i1 %cmp, label %for.backedge, label %for.body.us2 | |
for.body.us2: ; preds = %for.body.us2, %for.preheader | |
%j = phi i32 [ %inc.us199, %for.body.us2 ], [ 0, %for.preheader ] | |
%arrayidx68.us = getelementptr inbounds [256 x i32], [256 x i32]* %inputImage, i64 %idx1, i64 %index | |
%val2 = load i32, i32* %arrayidx68.us, align 4 | |
call void @consume(i32 %val2) | |
%inc.us199 = add nuw nsw i32 %j, 1 | |
%cmp5.us200 = icmp slt i32 %inc.us199, %t.exit1 | |
br i1 %cmp5.us200, label %for.body.us2, label %for.backedge | |
for.backedge: ; preds = %for.preheader, %for.body.us2 | |
%i.next = add nuw nsw i32 %i, 1 | |
%cmp.us = icmp slt i32 %i.next, %t.exit | |
br i1 %cmp.us, label %for.preheader, label %end | |
end: ; preds = %for.backedge | |
ret void | |
} |
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define dso_local void @bilinearKernel(i32 noundef %height, [256 x i32]* nocapture noundef readonly %inputImage, i1 %test, i64 %index, i32 %t.exit, i32 %t.exit1) { | |
entry: | |
br label %for.preheader | |
for.preheader: ; preds = %for.backedge, %entry | |
%i = phi i32 [ %i.next, %for.backedge ], [ 0, %entry ] | |
%i.fr = freeze i32 %i | |
%div = lshr i32 %i.fr, 2 | |
%idx1 = zext i32 %div to i64 | |
%add = add nuw nsw i32 %div, 1 | |
%cmp = icmp slt i32 %add, %height | |
br i1 %cmp, label %for.backedge, label %for.body.us2 | |
for.body.us2: ; preds = %for.body.us2, %for.preheader | |
%j = phi i32 [ %inc.us199, %for.body.us2 ], [ 0, %for.preheader ] | |
%arrayidx68.us = getelementptr inbounds [256 x i32], [256 x i32]* %inputImage, i64 %idx1, i64 %index | |
%val2 = load i32, i32* %arrayidx68.us, align 4 | |
call void @consume(i32 %val2) | |
%inc.us199 = add nuw nsw i32 %j, 1 | |
%cmp5.us200 = icmp slt i32 %inc.us199, %t.exit1 | |
br i1 %cmp5.us200, label %for.body.us2, label %for.backedge | |
for.backedge: ; preds = %for.preheader, %for.body.us2 | |
%i.next = add nuw nsw i32 %i.fr, 1 | |
%cmp.us = icmp slt i32 %i.next, %t.exit | |
br i1 %cmp.us, label %for.preheader, label %end | |
end: ; preds = %for.backedge | |
ret void | |
} |
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