xref: /aosp_15_r20/external/llvm/test/Transforms/GVN/load-pre-licm.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -basicaa -gvn < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget 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*9880d681SAndroid Build Coastguard Workertarget triple = "i386-apple-darwin11.0.0"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker@sortlist = external global [5001 x i32], align 4
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine void @Bubble() nounwind noinline {
8*9880d681SAndroid Build Coastguard Worker; CHECK: entry:
9*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: %tmp7.pre = load i32
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  br label %while.body5
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker; CHECK: while.body5:
14*9880d681SAndroid Build Coastguard Worker; CHECK: %tmp7 = phi i32
15*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: %tmp7 = load i32
16*9880d681SAndroid Build Coastguard Workerwhile.body5:
17*9880d681SAndroid Build Coastguard Worker  %indvar = phi i32 [ 0, %entry ], [ %tmp6, %if.end ]
18*9880d681SAndroid Build Coastguard Worker  %tmp5 = add i32 %indvar, 2
19*9880d681SAndroid Build Coastguard Worker  %arrayidx9 = getelementptr [5001 x i32], [5001 x i32]* @sortlist, i32 0, i32 %tmp5
20*9880d681SAndroid Build Coastguard Worker  %tmp6 = add i32 %indvar, 1
21*9880d681SAndroid Build Coastguard Worker  %arrayidx = getelementptr [5001 x i32], [5001 x i32]* @sortlist, i32 0, i32 %tmp6
22*9880d681SAndroid Build Coastguard Worker  %tmp7 = load i32, i32* %arrayidx, align 4
23*9880d681SAndroid Build Coastguard Worker  %tmp10 = load i32, i32* %arrayidx9, align 4
24*9880d681SAndroid Build Coastguard Worker  %cmp11 = icmp sgt i32 %tmp7, %tmp10
25*9880d681SAndroid Build Coastguard Worker  br i1 %cmp11, label %if.then, label %if.end
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Worker; CHECK: if.then:
28*9880d681SAndroid Build Coastguard Workerif.then:
29*9880d681SAndroid Build Coastguard Worker  store i32 %tmp10, i32* %arrayidx, align 4
30*9880d681SAndroid Build Coastguard Worker  store i32 %tmp7, i32* %arrayidx9, align 4
31*9880d681SAndroid Build Coastguard Worker  br label %if.end
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerif.end:
34*9880d681SAndroid Build Coastguard Worker  %exitcond = icmp eq i32 %tmp6, 100
35*9880d681SAndroid Build Coastguard Worker  br i1 %exitcond, label %while.end.loopexit, label %while.body5
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerwhile.end.loopexit:
38*9880d681SAndroid Build Coastguard Worker  ret void
39*9880d681SAndroid Build Coastguard Worker}
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