53 lines · plain
1; RUN: opt -S -scalarizer -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s2 3; Make sure dxil operation function calls for reversebits are generated for all integer types.4 5; Function Attrs: nounwind6define noundef i16 @test_bitreverse_short(i16 noundef %a) {7entry:8; CHECK:call i16 @dx.op.unary.i16(i32 30, i16 %{{.*}}) #[[#ATTR:]]9 %elt.bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)10 ret i16 %elt.bitreverse11}12 13; Function Attrs: nounwind14define noundef i32 @test_bitreverse_int(i32 noundef %a) {15entry:16; CHECK:call i32 @dx.op.unary.i32(i32 30, i32 %{{.*}}) #[[#ATTR]]17 %elt.bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)18 ret i32 %elt.bitreverse19}20 21; Function Attrs: nounwind22define noundef i64 @test_bitreverse_long(i64 noundef %a) {23entry:24; CHECK:call i64 @dx.op.unary.i64(i32 30, i64 %{{.*}}) #[[#ATTR]]25 %elt.bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)26 ret i64 %elt.bitreverse27}28 29define noundef <4 x i32> @bitreverse_int324(<4 x i32> noundef %a) #0 {30entry:31 ; CHECK: [[ee0:%.*]] = extractelement <4 x i32> %a, i64 032 ; CHECK: [[ie0:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee0]]) #[[#ATTR]]33 ; CHECK: [[ee1:%.*]] = extractelement <4 x i32> %a, i64 134 ; CHECK: [[ie1:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee1]]) #[[#ATTR]]35 ; CHECK: [[ee2:%.*]] = extractelement <4 x i32> %a, i64 236 ; CHECK: [[ie2:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee2]]) #[[#ATTR]]37 ; CHECK: [[ee3:%.*]] = extractelement <4 x i32> %a, i64 338 ; CHECK: [[ie3:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee3]]) #[[#ATTR]]39 ; CHECK: insertelement <4 x i32> poison, i32 [[ie0]], i64 040 ; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie1]], i64 141 ; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie2]], i64 242 ; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie3]], i64 343 %2 = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a) 44 ret <4 x i32> %245}46 47; CHECK: attributes #[[#ATTR]] = {{{.*}} memory(none) {{.*}}}48 49declare i16 @llvm.bitreverse.i16(i16)50declare i32 @llvm.bitreverse.i32(i32)51declare i64 @llvm.bitreverse.i64(i64)52declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>)53