forked from OSchip/llvm-project
55 lines
1.5 KiB
LLVM
55 lines
1.5 KiB
LLVM
; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %s | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.14.0"
|
|
|
|
; CHECK-LABEL: define {{.*}}@exit_block_with_same_incoming_vals
|
|
; CHECK: call {{.*}}@exit_block_with_same_incoming_vals.cold.1(
|
|
; CHECK-NOT: br i1 undef
|
|
; CHECK: phi i32 [ 0, %entry ], [ %p.ce.reload, %codeRepl ]
|
|
define void @exit_block_with_same_incoming_vals(i32 %cond) {
|
|
entry:
|
|
%tobool = icmp eq i32 %cond, 0
|
|
br i1 %tobool, label %if.end, label %coldbb
|
|
|
|
coldbb:
|
|
call void @sink()
|
|
call void @sideeffect()
|
|
br i1 undef, label %if.end, label %coldbb2
|
|
|
|
coldbb2:
|
|
%p2 = phi i32 [0, %coldbb], [1, %coldbb2]
|
|
br i1 undef, label %if.end, label %coldbb2
|
|
|
|
if.end:
|
|
%p = phi i32 [0, %entry], [1, %coldbb], [1, %coldbb2]
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: define {{.*}}@exit_block_with_distinct_incoming_vals
|
|
; CHECK: call {{.*}}@exit_block_with_distinct_incoming_vals.cold.1(
|
|
; CHECK-NOT: br i1 undef
|
|
; CHECK: phi i32 [ 0, %entry ], [ %p.ce.reload, %codeRepl ]
|
|
define void @exit_block_with_distinct_incoming_vals(i32 %cond) {
|
|
entry:
|
|
%tobool = icmp eq i32 %cond, 0
|
|
br i1 %tobool, label %if.end, label %coldbb
|
|
|
|
coldbb:
|
|
call void @sink()
|
|
call void @sideeffect()
|
|
br i1 undef, label %if.end, label %coldbb2
|
|
|
|
coldbb2:
|
|
%p2 = phi i32 [0, %coldbb], [1, %coldbb2]
|
|
br i1 undef, label %if.end, label %coldbb2
|
|
|
|
if.end:
|
|
%p = phi i32 [0, %entry], [1, %coldbb], [2, %coldbb2]
|
|
ret void
|
|
}
|
|
|
|
declare void @sink() cold
|
|
|
|
declare void @sideeffect()
|