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55 lines
2.1 KiB
LLVM
55 lines
2.1 KiB
LLVM
; RUN: llc < %s -march=x86 -relocation-model=pic -disable-fp-elim -stats -regalloc=linearscan |& grep {Number of loads added} | grep 1
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; PR3495
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;
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; This test may not be testing what it was supposed to test.
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; It used to have two spills and four reloads, but not it only has one spill and one reload.
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target datalayout = "e-p:32:32:32"
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target triple = "i386-apple-darwin9.6"
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%struct.constraintVCGType = type { i32, i32, i32, i32 }
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%struct.nodeVCGType = type { %struct.constraintVCGType*, i32, i32, i32, %struct.constraintVCGType*, i32, i32, i32 }
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define fastcc void @SCC_DFSBelowVCG(%struct.nodeVCGType* %VCG, i32 %net, i32 %label) nounwind {
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entry:
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%0 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 5 ; <i32*> [#uses=2]
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%1 = load i32* %0, align 4 ; <i32> [#uses=1]
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%2 = icmp eq i32 %1, 0 ; <i1> [#uses=1]
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br i1 %2, label %bb5, label %bb.nph3
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bb.nph3: ; preds = %entry
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%3 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 4 ; <%struct.constraintVCGType**> [#uses=1]
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br label %bb
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bb: ; preds = %bb3, %bb.nph3
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%s.02 = phi i32 [ 0, %bb.nph3 ], [ %12, %bb3 ] ; <i32> [#uses=2]
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%4 = load %struct.constraintVCGType** %3, align 4 ; <%struct.constraintVCGType*> [#uses=1]
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%5 = icmp eq i32 0, 0 ; <i1> [#uses=1]
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br i1 %5, label %bb1, label %bb3
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bb1: ; preds = %bb
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%6 = getelementptr %struct.constraintVCGType* %4, i32 %s.02, i32 0 ; <i32*> [#uses=1]
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%7 = load i32* %6, align 4 ; <i32> [#uses=2]
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%8 = getelementptr %struct.nodeVCGType* %VCG, i32 %7, i32 7 ; <i32*> [#uses=1]
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%9 = load i32* %8, align 4 ; <i32> [#uses=1]
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%10 = icmp eq i32 %9, 0 ; <i1> [#uses=1]
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br i1 %10, label %bb2, label %bb3
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bb2: ; preds = %bb1
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%11 = getelementptr %struct.nodeVCGType* %VCG, i32 %7, i32 4 ; <%struct.constraintVCGType**> [#uses=0]
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br label %bb.i
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bb.i: ; preds = %bb.i, %bb2
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br label %bb.i
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bb3: ; preds = %bb1, %bb
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%12 = add i32 %s.02, 1 ; <i32> [#uses=2]
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%13 = load i32* %0, align 4 ; <i32> [#uses=1]
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%14 = icmp ugt i32 %13, %12 ; <i1> [#uses=1]
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br i1 %14, label %bb, label %bb5
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bb5: ; preds = %bb3, %entry
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%15 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 6 ; <i32*> [#uses=1]
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store i32 %label, i32* %15, align 4
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ret void
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}
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