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; RUN: opt -hotcoldsplit-threshold=0 -passes=hotcoldsplit -S < %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 {{.*}}@pluto(
; CHECK-NEXT: bb:
; CHECK-NEXT: %tmp8.ce.loc = alloca i1
; CHECK-NEXT: switch i8 undef, label %codeRepl [
; CHECK-NEXT: i8 0, label %bb7
; CHECK-NEXT: i8 1, label %bb7
; CHECK-NEXT: ]
;
; CHECK: codeRepl:
; CHECK-NEXT: lifetime.start
; CHECK-NEXT: call void @pluto.cold.1(ptr %tmp8.ce.loc)
; CHECK-NEXT: %tmp8.ce.reload = load i1, ptr %tmp8.ce.loc
; CHECK-NEXT: lifetime.end
; CHECK-NEXT: br label %bb7
;
; CHECK: bb7:
; CHECK: %tmp8 = phi i1 [ true, %bb ], [ true, %bb ], [ %tmp8.ce.reload, %codeRepl ]
; CHECK: ret void
; CHECK-LABEL: define {{.*}}@pluto.cold.1(
; CHECK: call {{.*}}@sideeffect(i32 1)
; CHECK: call {{.*}}@sink(
; CHECK: call {{.*}}@sideeffect(i32 3)
; CHECK: call {{.*}}@sideeffect(i32 4)
; CHECK: call {{.*}}@sideeffect(i32 5)
define void @pluto() {
bb:
switch i8 undef, label %bb1 [
i8 0, label %bb7
i8 1, label %bb7
]
bb1: ; preds = %bb
call void @sideeffect(i32 1)
br label %bb2
bb2: ; preds = %bb1
call void @sink()
br i1 undef, label %bb7, label %bb3
bb3: ; preds = %bb2
call void @sideeffect(i32 3)
br label %bb4
bb4: ; preds = %bb3
call void @sideeffect(i32 4)
br i1 undef, label %bb5, label %bb6
bb5: ; preds = %bb4
call void @sideeffect(i32 5)
br label %bb6
bb6: ; preds = %bb5, %bb4
%tmp = phi i1 [ true, %bb5 ], [ false, %bb4 ]
call void @sideeffect(i32 6)
br label %bb7
bb7: ; preds = %bb6, %bb2, %bb, %bb
%tmp8 = phi i1 [ true, %bb ], [ true, %bb ], [ true, %bb2 ], [ %tmp, %bb6 ]
ret void
}
declare void @sink() cold
declare void @sideeffect(i32)
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