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