xref: /aosp_15_r20/external/llvm/test/CodeGen/Thumb2/constant-islands-new-island.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7-linux-gnueabihf %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Check that new water is created by splitting the basic block right after the
4*9880d681SAndroid Build Coastguard Worker; load instruction. Previously, new water was created before the load
5*9880d681SAndroid Build Coastguard Worker; instruction, which caused the pass to fail to converge.
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine void @test(i1 %tst) {
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test:
9*9880d681SAndroid Build Coastguard Worker; CHECK: vldr  {{s[0-9]+}}, [[CONST:\.LCPI[0-9]+_[0-9]+]]
10*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: b.w [[CONTINUE:\.LBB[0-9]+_[0-9]+]]
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Worker; CHECK: [[CONST]]:
13*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: .long
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Worker; CHECK: [[CONTINUE]]:
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerentry:
18*9880d681SAndroid Build Coastguard Worker  call i32 @llvm.arm.space(i32 2000, i32 undef)
19*9880d681SAndroid Build Coastguard Worker  br i1 %tst, label %true, label %false
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workertrue:
22*9880d681SAndroid Build Coastguard Worker  %val = phi float [12345.0, %entry], [undef, %false]
23*9880d681SAndroid Build Coastguard Worker  call void @bar(float %val)
24*9880d681SAndroid Build Coastguard Worker  ret void
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Workerfalse:
27*9880d681SAndroid Build Coastguard Worker  br label %true
28*9880d681SAndroid Build Coastguard Worker}
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerdeclare void @bar(float)
31*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.arm.space(i32, i32)
32