1 ; RUN: opt -S -scalarizer -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s
3 ; Make sure dxil operation function calls for reversebits are generated for all integer types.
5 ; Function Attrs: nounwind
6 define noundef i16 @test_bitreverse_short(i16 noundef %a) {
8 ; CHECK:call i16 @dx.op.unary.i16(i32 30, i16 %{{.*}})
9 %elt.bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
10 ret i16 %elt.bitreverse
13 ; Function Attrs: nounwind
14 define noundef i32 @test_bitreverse_int(i32 noundef %a) {
16 ; CHECK:call i32 @dx.op.unary.i32(i32 30, i32 %{{.*}})
17 %elt.bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
18 ret i32 %elt.bitreverse
21 ; Function Attrs: nounwind
22 define noundef i64 @test_bitreverse_long(i64 noundef %a) {
24 ; CHECK:call i64 @dx.op.unary.i64(i32 30, i64 %{{.*}})
25 %elt.bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
26 ret i64 %elt.bitreverse
29 define noundef <4 x i32> @bitreverse_int324(<4 x i32> noundef %a) #0 {
31 ; CHECK: [[ee0:%.*]] = extractelement <4 x i32> %a, i64 0
32 ; CHECK: [[ie0:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee0]])
33 ; CHECK: [[ee1:%.*]] = extractelement <4 x i32> %a, i64 1
34 ; CHECK: [[ie1:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee1]])
35 ; CHECK: [[ee2:%.*]] = extractelement <4 x i32> %a, i64 2
36 ; CHECK: [[ie2:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee2]])
37 ; CHECK: [[ee3:%.*]] = extractelement <4 x i32> %a, i64 3
38 ; CHECK: [[ie3:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee3]])
39 ; CHECK: insertelement <4 x i32> poison, i32 [[ie0]], i64 0
40 ; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie1]], i64 1
41 ; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie2]], i64 2
42 ; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie3]], i64 3
43 %2 = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
47 declare i16 @llvm.bitreverse.i16(i16)
48 declare i32 @llvm.bitreverse.i32(i32)
49 declare i64 @llvm.bitreverse.i64(i64)
50 declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>)