llvm-6502/test/CodeGen/X86/2007-11-30-TestLoadFolding.ll

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; RUN: llc < %s -march=x86 -stats |& \
; RUN: grep {1 .*folded into instructions}
; RUN: llc < %s -march=x86 | grep cmp | count 4
%struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* }
define fastcc i32 @perimeter(%struct.quad_struct* %tree, i32 %size) {
entry:
%tree.idx7.val = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1]
%tmp8.i51 = icmp eq %struct.quad_struct* %tree.idx7.val, null ; <i1> [#uses=2]
br i1 %tmp8.i51, label %cond_next, label %cond_next.i52
cond_next.i52: ; preds = %entry
ret i32 0
cond_next: ; preds = %entry
%tmp59 = load i32* null, align 4 ; <i32> [#uses=1]
%tmp70 = icmp eq i32 %tmp59, 2 ; <i1> [#uses=1]
br i1 %tmp70, label %cond_true.i35, label %bb80
cond_true.i35: ; preds = %cond_next
%tmp14.i.i37 = load %struct.quad_struct** null, align 4 ; <%struct.quad_struct*> [#uses=1]
%tmp3.i160 = load i32* null, align 4 ; <i32> [#uses=1]
%tmp4.i161 = icmp eq i32 %tmp3.i160, 2 ; <i1> [#uses=1]
br i1 %tmp4.i161, label %cond_true.i163, label %cond_false.i178
cond_true.i163: ; preds = %cond_true.i35
%tmp7.i162 = sdiv i32 %size, 4 ; <i32> [#uses=2]
%tmp13.i168 = tail call fastcc i32 @sum_adjacent( %struct.quad_struct* null, i32 3, i32 2, i32 %tmp7.i162 ) ; <i32> [#uses=1]
%tmp18.i11.i170 = getelementptr %struct.quad_struct* %tmp14.i.i37, i32 0, i32 4 ; <%struct.quad_struct**> [#uses=1]
%tmp19.i12.i171 = load %struct.quad_struct** %tmp18.i11.i170, align 4 ; <%struct.quad_struct*> [#uses=1]
%tmp21.i173 = tail call fastcc i32 @sum_adjacent( %struct.quad_struct* %tmp19.i12.i171, i32 3, i32 2, i32 %tmp7.i162 ) ; <i32> [#uses=1]
%tmp22.i174 = add i32 %tmp21.i173, %tmp13.i168 ; <i32> [#uses=1]
br i1 %tmp4.i161, label %cond_true.i141, label %cond_false.i156
cond_false.i178: ; preds = %cond_true.i35
ret i32 0
cond_true.i141: ; preds = %cond_true.i163
%tmp7.i140 = sdiv i32 %size, 4 ; <i32> [#uses=1]
%tmp21.i151 = tail call fastcc i32 @sum_adjacent( %struct.quad_struct* null, i32 3, i32 2, i32 %tmp7.i140 ) ; <i32> [#uses=0]
ret i32 0
cond_false.i156: ; preds = %cond_true.i163
%tmp22.i44 = add i32 0, %tmp22.i174 ; <i32> [#uses=0]
br i1 %tmp8.i51, label %bb22.i, label %cond_next.i
bb80: ; preds = %cond_next
ret i32 0
cond_next.i: ; preds = %cond_false.i156
ret i32 0
bb22.i: ; preds = %cond_false.i156
ret i32 0
}
declare fastcc i32 @sum_adjacent(%struct.quad_struct*, i32, i32, i32)