2010-10-19 02:04:47 +08:00
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; RUN: opt -S -basicaa -gvn < %s | FileCheck %s
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2010-10-01 04:53:04 +08:00
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
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target triple = "i386-apple-darwin11.0.0"
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@sortlist = external global [5001 x i32], align 4
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define void @Bubble() nounwind noinline {
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; CHECK: entry:
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; CHECK-NEXT: %tmp7.pre = load i32
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entry:
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br label %while.body5
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; CHECK: while.body5:
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; CHECK: %tmp7 = phi i32
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; CHECK-NOT: %tmp7 = load i32
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while.body5:
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%indvar = phi i32 [ 0, %entry ], [ %tmp6, %if.end ]
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%tmp5 = add i32 %indvar, 2
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%arrayidx9 = getelementptr [5001 x i32]* @sortlist, i32 0, i32 %tmp5
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%tmp6 = add i32 %indvar, 1
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%arrayidx = getelementptr [5001 x i32]* @sortlist, i32 0, i32 %tmp6
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%tmp7 = load i32* %arrayidx, align 4
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%tmp10 = load i32* %arrayidx9, align 4
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%cmp11 = icmp sgt i32 %tmp7, %tmp10
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br i1 %cmp11, label %if.then, label %if.end
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; CHECK: if.then:
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if.then:
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store i32 %tmp10, i32* %arrayidx, align 4
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store i32 %tmp7, i32* %arrayidx9, align 4
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br label %if.end
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if.end:
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%exitcond = icmp eq i32 %tmp6, 100
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br i1 %exitcond, label %while.end.loopexit, label %while.body5
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while.end.loopexit:
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ret void
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}
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