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; RUN: opt -S -scalarizer -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s
; Make sure dxil operation function calls for countbits are generated for all integer types.
define noundef i16 @test_countbits_short(i16 noundef %a) {
entry:
; CHECK: [[A:%.*]] = call i32 @dx.op.unaryBits.i16(i32 31, i16 %{{.*}}) #[[#ATTR:]]
; CHECK-NEXT: [[B:%.*]] = trunc i32 [[A]] to i16
; CHECK-NEXT ret i16 [[B]]
%elt.ctpop = call i16 @llvm.ctpop.i16(i16 %a)
ret i16 %elt.ctpop
}
define noundef i32 @test_countbits_short2(i16 noundef %a) {
entry:
; CHECK: [[A:%.*]] = call i32 @dx.op.unaryBits.i16(i32 31, i16 %{{.*}}) #[[#ATTR]]
; CHECK-NEXT: ret i32 [[A]]
%elt.ctpop = call i16 @llvm.ctpop.i16(i16 %a)
%elt.zext = zext i16 %elt.ctpop to i32
ret i32 %elt.zext
}
define noundef i32 @test_countbits_short3(i16 noundef %a) {
entry:
; CHECK: [[A:%.*]] = call i32 @dx.op.unaryBits.i16(i32 31, i16 %{{.*}}) #[[#ATTR]]
; CHECK-NEXT: ret i32 [[A]]
%elt.ctpop = call i16 @llvm.ctpop.i16(i16 %a)
%elt.sext = sext i16 %elt.ctpop to i32
ret i32 %elt.sext
}
define noundef i32 @test_countbits_int(i32 noundef %a) {
entry:
; CHECK: [[A:%.*]] = call i32 @dx.op.unaryBits.i32(i32 31, i32 %{{.*}}) #[[#ATTR]]
; CHECK-NEXT: ret i32 [[A]]
%elt.ctpop = call i32 @llvm.ctpop.i32(i32 %a)
ret i32 %elt.ctpop
}
define noundef i64 @test_countbits_long(i64 noundef %a) {
entry:
; CHECK: [[A:%.*]] = call i32 @dx.op.unaryBits.i64(i32 31, i64 %{{.*}}) #[[#ATTR]]
; CHECK-NEXT: [[B:%.*]] = zext i32 [[A]] to i64
; CHECK-NEXT ret i64 [[B]]
%elt.ctpop = call i64 @llvm.ctpop.i64(i64 %a)
ret i64 %elt.ctpop
}
define noundef i32 @test_countbits_long2(i64 noundef %a) {
entry:
; CHECK: [[A:%.*]] = call i32 @dx.op.unaryBits.i64(i32 31, i64 %{{.*}}) #[[#ATTR]]
; CHECK-NEXT: ret i32 [[A]]
%elt.ctpop = call i64 @llvm.ctpop.i64(i64 %a)
%elt.trunc = trunc i64 %elt.ctpop to i32
ret i32 %elt.trunc
}
define noundef <4 x i32> @countbits_vec4_i32(<4 x i32> noundef %a) {
entry:
; CHECK: [[ee0:%.*]] = extractelement <4 x i32> %a, i64 0
; CHECK: [[ie0:%.*]] = call i32 @dx.op.unaryBits.i32(i32 31, i32 [[ee0]]) #[[#ATTR]]
; CHECK: [[ee1:%.*]] = extractelement <4 x i32> %a, i64 1
; CHECK: [[ie1:%.*]] = call i32 @dx.op.unaryBits.i32(i32 31, i32 [[ee1]]) #[[#ATTR]]
; CHECK: [[ee2:%.*]] = extractelement <4 x i32> %a, i64 2
; CHECK: [[ie2:%.*]] = call i32 @dx.op.unaryBits.i32(i32 31, i32 [[ee2]]) #[[#ATTR]]
; CHECK: [[ee3:%.*]] = extractelement <4 x i32> %a, i64 3
; CHECK: [[ie3:%.*]] = call i32 @dx.op.unaryBits.i32(i32 31, i32 [[ee3]]) #[[#ATTR]]
; CHECK: insertelement <4 x i32> poison, i32 [[ie0]], i64 0
; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie1]], i64 1
; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie2]], i64 2
; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie3]], i64 3
%2 = call <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %a)
ret <4 x i32> %2
}
; CHECK: attributes #[[#ATTR]] = {{{.*}} memory(none) {{.*}}}
declare i16 @llvm.ctpop.i16(i16)
declare i32 @llvm.ctpop.i32(i32)
declare i64 @llvm.ctpop.i64(i64)
declare <4 x i32> @llvm.ctpop.v4i32(<4 x i32>)
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