xref: /aosp_15_r20/external/llvm/test/CodeGen/Hexagon/shrink-frame-basic.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Check for allocframe in a non-entry block LBB0_n.
3*9880d681SAndroid Build Coastguard Worker; CHECK: LBB0_{{[0-9]+}}:
4*9880d681SAndroid Build Coastguard Worker; CHECK:   allocframe
5*9880d681SAndroid Build Coastguard Worker; Deallocframe may be in a different block, but must follow.
6*9880d681SAndroid Build Coastguard Worker; CHECK: deallocframe
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-p:32:32-i1:32-i64:64-a:0-v32:32-n16:32"
9*9880d681SAndroid Build Coastguard Workertarget triple = "hexagon"
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind
12*9880d681SAndroid Build Coastguard Workerdefine i32 @foo(i32 %n, i32* %p) #0 {
13*9880d681SAndroid Build Coastguard Workerentry:
14*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32* %p, null
15*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.end, label %if.then
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerif.then:                                          ; preds = %entry
18*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %p, align 4
19*9880d681SAndroid Build Coastguard Worker  %inc = add nsw i32 %0, 1
20*9880d681SAndroid Build Coastguard Worker  store i32 %inc, i32* %p, align 4
21*9880d681SAndroid Build Coastguard Worker  br label %return
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerif.end:                                           ; preds = %entry
24*9880d681SAndroid Build Coastguard Worker  %call = tail call i32 bitcast (i32 (...)* @bar to i32 (i32)*)(i32 %n) #0
25*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %call, 1
26*9880d681SAndroid Build Coastguard Worker  br label %return
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %if.end, %if.then
29*9880d681SAndroid Build Coastguard Worker  %retval.0 = phi i32 [ %0, %if.then ], [ %add, %if.end ]
30*9880d681SAndroid Build Coastguard Worker  ret i32 %retval.0
31*9880d681SAndroid Build Coastguard Worker}
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerdeclare i32 @bar(...) #0
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind }
36*9880d681SAndroid Build Coastguard Worker
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