forked from OSchip/llvm-project
50 lines
1.6 KiB
LLVM
50 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -instcombine -S < %s | FileCheck %s
|
|
|
|
define i32 @ctpop_bitreverse(i32 %x) {
|
|
; CHECK-LABEL: @ctpop_bitreverse(
|
|
; CHECK-NEXT: [[B:%.*]] = tail call i32 @llvm.ctpop.i32(i32 [[X:%.*]]), !range !0
|
|
; CHECK-NEXT: ret i32 [[B]]
|
|
;
|
|
%a = tail call i32 @llvm.bitreverse.i32(i32 %x)
|
|
%b = tail call i32 @llvm.ctpop.i32(i32 %a)
|
|
ret i32 %b
|
|
}
|
|
|
|
define <2 x i64> @ctpop_bitreverse_vec(<2 x i64> %x) {
|
|
; CHECK-LABEL: @ctpop_bitreverse_vec(
|
|
; CHECK-NEXT: [[B:%.*]] = tail call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> [[X:%.*]])
|
|
; CHECK-NEXT: ret <2 x i64> [[B]]
|
|
;
|
|
%a = tail call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %x)
|
|
%b = tail call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
|
|
ret <2 x i64> %b
|
|
}
|
|
|
|
define i32 @ctpop_bswap(i32 %x) {
|
|
; CHECK-LABEL: @ctpop_bswap(
|
|
; CHECK-NEXT: [[B:%.*]] = tail call i32 @llvm.ctpop.i32(i32 [[X:%.*]]), !range !0
|
|
; CHECK-NEXT: ret i32 [[B]]
|
|
;
|
|
%a = tail call i32 @llvm.bswap.i32(i32 %x)
|
|
%b = tail call i32 @llvm.ctpop.i32(i32 %a)
|
|
ret i32 %b
|
|
}
|
|
|
|
define <2 x i64> @ctpop_bswap_vec(<2 x i64> %x) {
|
|
; CHECK-LABEL: @ctpop_bswap_vec(
|
|
; CHECK-NEXT: [[B:%.*]] = tail call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> [[X:%.*]])
|
|
; CHECK-NEXT: ret <2 x i64> [[B]]
|
|
;
|
|
%a = tail call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %x)
|
|
%b = tail call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
|
|
ret <2 x i64> %b
|
|
}
|
|
|
|
declare i32 @llvm.bitreverse.i32(i32)
|
|
declare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>)
|
|
declare i32 @llvm.bswap.i32(i32)
|
|
declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>)
|
|
declare i32 @llvm.ctpop.i32(i32)
|
|
declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64>)
|