llvm-project/llvm/test/CodeGen/PowerPC/bitreverse.ll

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616 B
LLVM

; RUN: llc -verify-machineinstrs -march=ppc64 %s -o - | FileCheck %s
; These tests just check that the plumbing is in place for @llvm.bitreverse. The
; actual output is massive at the moment as llvm.bitreverse is not yet legal.
declare <2 x i16> @llvm.bitreverse.v2i16(<2 x i16>) readnone
define <2 x i16> @f(<2 x i16> %a) {
; CHECK-LABEL: f:
; CHECK: rlwinm
%b = call <2 x i16> @llvm.bitreverse.v2i16(<2 x i16> %a)
ret <2 x i16> %b
}
declare i8 @llvm.bitreverse.i8(i8) readnone
define i8 @g(i8 %a) {
; CHECK-LABEL: g:
; CHECK: rlwinm
; CHECK: rlwimi
%b = call i8 @llvm.bitreverse.i8(i8 %a)
ret i8 %b
}