assume.ll
390 Bytes
; RUN: opt -simplifycfg -S < %s | FileCheck %s
define void @test1() {
call void @llvm.assume(i1 0)
ret void
; CHECK-LABEL: @test1
; CHECK-NOT: llvm.assume
; CHECK: unreachable
}
define void @test2() {
call void @llvm.assume(i1 undef)
ret void
; CHECK-LABEL: @test2
; CHECK-NOT: llvm.assume
; CHECK: unreachable
}
declare void @llvm.assume(i1) nounwind