1 ; RUN: llc < %s -march=x86 -relocation-model=pic -disable-fp-elim -stats -regalloc=linearscan |& grep {Number of loads added} | grep 1 2 ; PR3495 3 ; 4 ; This test may not be testing what it was supposed to test. 5 ; It used to have two spills and four reloads, but not it only has one spill and one reload. 6 7 target datalayout = "e-p:32:32:32" 8 target triple = "i386-apple-darwin9.6" 9 %struct.constraintVCGType = type { i32, i32, i32, i32 } 10 %struct.nodeVCGType = type { %struct.constraintVCGType*, i32, i32, i32, %struct.constraintVCGType*, i32, i32, i32 } 11 12 define fastcc void @SCC_DFSBelowVCG(%struct.nodeVCGType* %VCG, i32 %net, i32 %label) nounwind { 13 entry: 14 %0 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 5 ; <i32*> [#uses=2] 15 %1 = load i32* %0, align 4 ; <i32> [#uses=1] 16 %2 = icmp eq i32 %1, 0 ; <i1> [#uses=1] 17 br i1 %2, label %bb5, label %bb.nph3 18 19 bb.nph3: ; preds = %entry 20 %3 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 4 ; <%struct.constraintVCGType**> [#uses=1] 21 br label %bb 22 23 bb: ; preds = %bb3, %bb.nph3 24 %s.02 = phi i32 [ 0, %bb.nph3 ], [ %12, %bb3 ] ; <i32> [#uses=2] 25 %4 = load %struct.constraintVCGType** %3, align 4 ; <%struct.constraintVCGType*> [#uses=1] 26 %5 = icmp eq i32 0, 0 ; <i1> [#uses=1] 27 br i1 %5, label %bb1, label %bb3 28 29 bb1: ; preds = %bb 30 %6 = getelementptr %struct.constraintVCGType* %4, i32 %s.02, i32 0 ; <i32*> [#uses=1] 31 %7 = load i32* %6, align 4 ; <i32> [#uses=2] 32 %8 = getelementptr %struct.nodeVCGType* %VCG, i32 %7, i32 7 ; <i32*> [#uses=1] 33 %9 = load i32* %8, align 4 ; <i32> [#uses=1] 34 %10 = icmp eq i32 %9, 0 ; <i1> [#uses=1] 35 br i1 %10, label %bb2, label %bb3 36 37 bb2: ; preds = %bb1 38 %11 = getelementptr %struct.nodeVCGType* %VCG, i32 %7, i32 4 ; <%struct.constraintVCGType**> [#uses=0] 39 br label %bb.i 40 41 bb.i: ; preds = %bb.i, %bb2 42 br label %bb.i 43 44 bb3: ; preds = %bb1, %bb 45 %12 = add i32 %s.02, 1 ; <i32> [#uses=2] 46 %13 = load i32* %0, align 4 ; <i32> [#uses=1] 47 %14 = icmp ugt i32 %13, %12 ; <i1> [#uses=1] 48 br i1 %14, label %bb, label %bb5 49 50 bb5: ; preds = %bb3, %entry 51 %15 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 6 ; <i32*> [#uses=1] 52 store i32 %label, i32* %15, align 4 53 ret void 54 } 55
