xref: /llvm-project/llvm/test/Transforms/HotColdSplit/phi-with-distinct-outlined-values.ll (revision 8ee638fd175245eff88d77e1607e478db237dd41)
1; RUN: opt -S -passes=hotcoldsplit -hotcoldsplit-threshold=0 < %s | FileCheck %s
2
3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-apple-macosx10.14.0"
5
6; CHECK-LABEL: define {{.*}}@foo(
7; CHECK: phi i32 [ 0, %entry ], [ %p.ce.reload, %codeRepl ]
8
9; CHECK-LABEL: define {{.*}}@foo.cold.1(
10; CHECK: call {{.*}}@sink
11; CHECK: %p.ce = phi i32 [ 1, %coldbb ], [ 3, %coldbb2 ]
12; CHECK-NEXT: store i32 %p.ce, ptr %p.ce.out
13
14define void @foo(i32 %cond, i1 %arg) {
15entry:
16  %tobool = icmp eq i32 %cond, 0
17  br i1 %tobool, label %if.end, label %coldbb
18
19coldbb:
20  call void @sink()
21  call void @sideeffect()
22  br i1 %arg, label %if.end, label %coldbb2
23
24coldbb2:
25  br label %if.end
26
27if.end:
28  %p = phi i32 [0, %entry], [1, %coldbb], [3, %coldbb2]
29  ret void
30}
31
32declare void @sink() cold
33
34declare void @sideeffect()
35