Vedant Kumar 32a014d048 [HotColdSplit] Simplify tests by lowering their splitting thresholds
This gets rid of the brittle/mysterious calls to @sink()/@sideeffect()
peppered throughout the test cases. They are no longer needed to force
splitting to occur.

llvm-svn: 351480
2019-01-17 21:29:34 +00:00

38 lines
969 B
LLVM

; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -pass-remarks=hotcoldsplit -S < %s 2>&1 | FileCheck %s
; RUN: opt -hotcoldsplit-threshold=0 -passes=hotcoldsplit -pass-remarks=hotcoldsplit -S < %s 2>&1 | FileCheck %s
; Make sure this compiles. This test used to fail with an invalid phi node: the
; two predecessors were outlined and the SSA representation was invalid.
; CHECK: remark: <unknown>:0:0: fun split cold code into fun.cold.1
; CHECK-LABEL: @fun
; CHECK: codeRepl:
; CHECK-NEXT: call void @fun.cold.1
; CHECK: define {{.*}}@fun.cold.1{{.*}} [[cold_attr:#[0-9]+]]
; CHECK: attributes [[cold_attr]] = { {{.*}}noreturn
define void @fun() {
entry:
br i1 undef, label %if.then, label %if.else
if.then:
ret void
if.else:
br label %if.then4
if.then4:
br i1 undef, label %if.then5, label %if.end
if.then5:
br label %cleanup
if.end:
br label %cleanup
cleanup:
%cleanup.dest.slot.0 = phi i32 [ 1, %if.then5 ], [ 0, %if.end ]
unreachable
}