mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-24 21:42:54 +02:00
05718aa6c9
Demonstrate missed opportunity for urem -> and combine for powerof2 or zero non-uniform constant dividers llvm-svn: 288510
30 lines
1.0 KiB
LLVM
30 lines
1.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
define <4 x i32> @test_v4i32_splatconst_pow2(<4 x i32> %a0) {
|
|
; CHECK-LABEL: @test_v4i32_splatconst_pow2(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = and <4 x i32> %a0, <i32 1, i32 1, i32 1, i32 1>
|
|
; CHECK-NEXT: ret <4 x i32> [[TMP1]]
|
|
;
|
|
%1 = urem <4 x i32> %a0, <i32 2, i32 2, i32 2, i32 2>
|
|
ret <4 x i32> %1
|
|
}
|
|
|
|
define <4 x i32> @test_v4i32_const_pow2(<4 x i32> %a0) {
|
|
; CHECK-LABEL: @test_v4i32_const_pow2(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = urem <4 x i32> %a0, <i32 1, i32 2, i32 4, i32 8>
|
|
; CHECK-NEXT: ret <4 x i32> [[TMP1]]
|
|
;
|
|
%1 = urem <4 x i32> %a0, <i32 1, i32 2, i32 4, i32 8>
|
|
ret <4 x i32> %1
|
|
}
|
|
|
|
define <4 x i32> @test_v4i32_const_pow2_or_zero(<4 x i32> %a0) {
|
|
; CHECK-LABEL: @test_v4i32_const_pow2_or_zero(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = urem <4 x i32> %a0, <i32 1, i32 2, i32 0, i32 8>
|
|
; CHECK-NEXT: ret <4 x i32> [[TMP1]]
|
|
;
|
|
%1 = urem <4 x i32> %a0, <i32 1, i32 2, i32 0, i32 8>
|
|
ret <4 x i32> %1
|
|
}
|