47 lines
969 B
LLVM
47 lines
969 B
LLVM
; NOTE: Assertions have been autogenerated by update_test_checks.py
|
|
; RUN: opt < %s -S -instsimplify | FileCheck %s
|
|
|
|
declare i16 @llvm.bswap.i16(i16)
|
|
|
|
define i1 @test1(i16 %arg) {
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK: ret i1 false
|
|
;
|
|
%a = or i16 %arg, 1
|
|
%b = call i16 @llvm.bswap.i16(i16 %a)
|
|
%res = icmp eq i16 %b, 0
|
|
ret i1 %res
|
|
}
|
|
|
|
define i1 @test2(i16 %arg) {
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK: ret i1 false
|
|
;
|
|
%a = or i16 %arg, 1024
|
|
%b = call i16 @llvm.bswap.i16(i16 %a)
|
|
%res = icmp eq i16 %b, 0
|
|
ret i1 %res
|
|
}
|
|
|
|
define i1 @test3(i16 %arg) {
|
|
; CHECK-LABEL: @test3(
|
|
; CHECK: ret i1 false
|
|
;
|
|
%a = and i16 %arg, 1
|
|
%b = call i16 @llvm.bswap.i16(i16 %a)
|
|
%and = and i16 %b, 1
|
|
%res = icmp eq i16 %and, 1
|
|
ret i1 %res
|
|
}
|
|
|
|
define i1 @test4(i16 %arg) {
|
|
; CHECK-LABEL: @test4(
|
|
; CHECK: ret i1 false
|
|
;
|
|
%a = and i16 %arg, 511
|
|
%b = call i16 @llvm.bswap.i16(i16 %a)
|
|
%and = and i16 %b, 256
|
|
%res = icmp eq i16 %and, 1
|
|
ret i1 %res
|
|
}
|