forked from OSchip/llvm-project
33 lines
710 B
LLVM
33 lines
710 B
LLVM
; RUN: llc -mtriple=aarch64 -verify-machineinstrs < %s | FileCheck %s
|
|
|
|
declare void @foo()
|
|
|
|
; Check that the inverted or doesn't inhibit the splitting of the
|
|
; complex conditional into three branch instructions.
|
|
; CHECK-LABEL: test_and_not
|
|
; CHECK: cbz w0, [[L:\.LBB[0-9_]+]]
|
|
; CHECK: cmp w1, #2
|
|
; CHECK: b.lo [[L]]
|
|
; CHECK: cmp w2, #2
|
|
; CHECK: b.hi [[L]]
|
|
define void @test_and_not(i32 %a, i32 %b, i32 %c) {
|
|
bb1:
|
|
%cmp1 = icmp ult i32 %a, 1
|
|
%cmp2 = icmp ult i32 %b, 2
|
|
%cmp3 = icmp ult i32 %c, 3
|
|
%or = or i1 %cmp1, %cmp2
|
|
%not.or = xor i1 %or, -1
|
|
%and = and i1 %not.or, %cmp3
|
|
br i1 %and, label %bb2, label %bb3
|
|
|
|
bb2:
|
|
ret void
|
|
|
|
bb3:
|
|
call void @foo()
|
|
ret void
|
|
}
|
|
|
|
|
|
|