52 lines
1.0 KiB
LLVM
52 lines
1.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -instcombine < %s | FileCheck %s
|
|
|
|
define void @test_shl(i1 %x) {
|
|
; CHECK-LABEL: @test_shl(
|
|
; CHECK-NEXT: call void @sink(i8 0)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%y = zext i1 %x to i8
|
|
%z = shl i8 64, %y
|
|
%a = and i8 %z, 1
|
|
call void @sink(i8 %a)
|
|
ret void
|
|
}
|
|
|
|
define void @test_lshr(i1 %x) {
|
|
; CHECK-LABEL: @test_lshr(
|
|
; CHECK-NEXT: call void @sink(i8 0)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%y = zext i1 %x to i8
|
|
%z = lshr i8 64, %y
|
|
%a = and i8 %z, 1
|
|
call void @sink(i8 %a)
|
|
ret void
|
|
}
|
|
|
|
define void @test_ashr(i1 %x) {
|
|
; CHECK-LABEL: @test_ashr(
|
|
; CHECK-NEXT: call void @sink(i8 0)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%y = zext i1 %x to i8
|
|
%z = ashr i8 -16, %y
|
|
%a = and i8 %z, 3
|
|
call void @sink(i8 %a)
|
|
ret void
|
|
}
|
|
|
|
define void @test_udiv(i8 %x) {
|
|
; CHECK-LABEL: @test_udiv(
|
|
; CHECK-NEXT: call void @sink(i8 0)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%y = udiv i8 10, %x
|
|
%z = and i8 %y, 64
|
|
call void @sink(i8 %z)
|
|
ret void
|
|
}
|
|
|
|
declare void @sink(i8)
|