llvm-for-llvmta/test/Transforms/Util/PredicateInfo/unreachable.ll

26 lines
460 B
LLVM

; RUN: opt -print-predicateinfo < %s 2>&1 | FileCheck %s
declare void @foo()
declare void @llvm.assume(i1)
define void @bar(i32* %p) {
entry:
; CHECK-LABEL: @bar
br label %end
unreachable1:
%v1 = load i32, i32* %p, align 4
%c1 = icmp eq i32 %v1, 0
call void @llvm.assume(i1 %c1)
br label %unreachable2
unreachable2:
%v2 = load i32, i32* %p, align 4
%c2 = icmp eq i32 %v2, 0
call void @llvm.assume(i1 %c2)
br label %end
end:
ret void
}