1 ; RUN: opt -S -basicaa -gvn < %s | FileCheck %s 2 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" 3 target triple = "i386-apple-darwin11.0.0" 4 5 @sortlist = external global [5001 x i32], align 4 6 7 define void @Bubble() nounwind noinline { 8 ; CHECK: entry: 9 ; CHECK-NEXT: %tmp7.pre = load i32 10 entry: 11 br label %while.body5 12 13 ; CHECK: while.body5: 14 ; CHECK: %tmp7 = phi i32 15 ; CHECK-NOT: %tmp7 = load i32 16 while.body5: 17 %indvar = phi i32 [ 0, %entry ], [ %tmp6, %if.end ] 18 %tmp5 = add i32 %indvar, 2 19 %arrayidx9 = getelementptr [5001 x i32]* @sortlist, i32 0, i32 %tmp5 20 %tmp6 = add i32 %indvar, 1 21 %arrayidx = getelementptr [5001 x i32]* @sortlist, i32 0, i32 %tmp6 22 %tmp7 = load i32* %arrayidx, align 4 23 %tmp10 = load i32* %arrayidx9, align 4 24 %cmp11 = icmp sgt i32 %tmp7, %tmp10 25 br i1 %cmp11, label %if.then, label %if.end 26 27 ; CHECK: if.then: 28 if.then: 29 store i32 %tmp10, i32* %arrayidx, align 4 30 store i32 %tmp7, i32* %arrayidx9, align 4 31 br label %if.end 32 33 if.end: 34 %exitcond = icmp eq i32 %tmp6, 100 35 br i1 %exitcond, label %while.end.loopexit, label %while.body5 36 37 while.end.loopexit: 38 ret void 39 } 40
