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https://github.com/c64scene-ar/llvm-6502.git
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79 lines
2.6 KiB
LLVM
79 lines
2.6 KiB
LLVM
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; RUN: llvm-as < %s | opt -loop-index-split -stats -disable-output | not grep "loop-index-split"
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; PR 2791
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@g_40 = common global i32 0 ; <i32*> [#uses=1]
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@g_192 = common global i32 0 ; <i32*> [#uses=2]
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@"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
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define void @func_29() nounwind {
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entry:
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%0 = load i32* @g_40, align 4 ; <i32> [#uses=1]
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%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
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%g_192.promoted = load i32* @g_192 ; <i32> [#uses=0]
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br i1 %1, label %entry.split.us, label %entry.split
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entry.split.us: ; preds = %entry
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br label %bb.us
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bb.us: ; preds = %bb5.us, %entry.split.us
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%i.0.reg2mem.0.us = phi i32 [ 0, %entry.split.us ], [ %3, %bb5.us ] ; <i32> [#uses=2]
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%2 = icmp eq i32 %i.0.reg2mem.0.us, 0 ; <i1> [#uses=1]
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br i1 %2, label %bb1.us, label %bb5.us
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bb5.us: ; preds = %bb1.us, %bb4.us, %bb.us
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%iftmp.0.0.us = phi i32 [ 0, %bb4.us ], [ 1, %bb.us ], [ 1, %bb1.us ] ; <i32> [#uses=1]
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%3 = add i32 %i.0.reg2mem.0.us, 1 ; <i32> [#uses=3]
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%4 = icmp ult i32 %3, 10 ; <i1> [#uses=1]
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br i1 %4, label %bb.us, label %bb8.us
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bb4.us: ; preds = %bb1.us
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br label %bb5.us
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bb1.us: ; preds = %bb.us
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br i1 true, label %bb4.us, label %bb5.us
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bb8.us: ; preds = %bb5.us
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%iftmp.0.0.lcssa.us = phi i32 [ %iftmp.0.0.us, %bb5.us ] ; <i32> [#uses=1]
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%.lcssa.us = phi i32 [ %3, %bb5.us ] ; <i32> [#uses=1]
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br label %bb8.split
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entry.split: ; preds = %entry
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br label %bb
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bb: ; preds = %bb5, %entry.split
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%i.0.reg2mem.0 = phi i32 [ 0, %entry.split ], [ %6, %bb5 ] ; <i32> [#uses=2]
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%5 = icmp eq i32 %i.0.reg2mem.0, 0 ; <i1> [#uses=1]
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br i1 %5, label %bb1, label %bb5
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bb1: ; preds = %bb
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br i1 false, label %bb4, label %bb5
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bb4: ; preds = %bb1
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br label %bb5
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bb5: ; preds = %bb1, %bb, %bb4
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%iftmp.0.0 = phi i32 [ 0, %bb4 ], [ 1, %bb ], [ 1, %bb1 ] ; <i32> [#uses=1]
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%6 = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=3]
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%7 = icmp ult i32 %6, 10 ; <i1> [#uses=1]
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br i1 %7, label %bb, label %bb8
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bb8: ; preds = %bb5
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%iftmp.0.0.lcssa = phi i32 [ %iftmp.0.0, %bb5 ] ; <i32> [#uses=1]
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%.lcssa = phi i32 [ %6, %bb5 ] ; <i32> [#uses=1]
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br label %bb8.split
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bb8.split: ; preds = %bb8.us, %bb8
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%iftmp.0.0.lcssa.us-lcssa = phi i32 [ %iftmp.0.0.lcssa, %bb8 ], [ %iftmp.0.0.lcssa.us, %bb8.us ] ; <i32> [#uses=1]
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%.lcssa.us-lcssa = phi i32 [ %.lcssa, %bb8 ], [ %.lcssa.us, %bb8.us ] ; <i32> [#uses=1]
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store i32 %iftmp.0.0.lcssa.us-lcssa, i32* @g_192
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%8 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %.lcssa.us-lcssa ) nounwind ; <i32> [#uses=0]
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ret void
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}
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declare i32 @printf(i8*, ...) nounwind
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define i32 @main() nounwind {
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entry:
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call void @func_29( ) nounwind
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ret i32 0
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}
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