llvm-for-llvmta/test/Transforms/CodeExtractor/extract-assume.ll

30 lines
786 B
LLVM

; RUN: opt -passes="function(slp-vectorizer),module(hotcoldsplit),function(slp-vectorizer,print<assumptions>)" -hotcoldsplit-threshold=-1 -disable-output %s 2>&1 | FileCheck %s
;
; Make sure this compiles. Check that function assumption cache is refreshed
; after extracting blocks with assume calls from the function.
; CHECK: Cached assumptions for function: fun
; CHECK-NEXT: Cached assumptions for function: fun.cold
; CHECK-NOT: icmp uge
declare void @fun2(i32) #0
define void @fun(i32 %x) {
entry:
br i1 undef, label %if.then, label %if.else
if.then:
ret void
if.else:
%cmp = icmp uge i32 %x, 64
call void @llvm.assume(i1 %cmp)
call void @fun2(i32 %x)
unreachable
}
declare void @llvm.assume(i1) #1
attributes #0 = { alwaysinline }
attributes #1 = { nounwind }