xref: /llvm-project/llvm/test/CodeGen/DirectX/abs.ll (revision 011b618644113996e2c0a8e57db40f89d20878e3)
1; RUN: opt -S  -dxil-intrinsic-expansion  -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,EXPCHECK
2; RUN: opt -S  -dxil-intrinsic-expansion -dxil-op-lower  -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,DOPCHECK
3
4; Make sure dxil operation function calls for abs are generated for int16_t/int/int64_t.
5
6; CHECK-LABEL: abs_i16
7define noundef i16 @abs_i16(i16 noundef %a) {
8entry:
9; CHECK: sub i16 0, %a
10; EXPCHECK: call i16 @llvm.smax.i16(i16 %a, i16 %{{.*}})
11; DOPCHECK: call i16 @dx.op.binary.i16(i32 37, i16 %a, i16 %{{.*}}) #[[#ATTR:]]
12  %elt.abs = call i16 @llvm.abs.i16(i16 %a, i1 false)
13  ret i16 %elt.abs
14}
15
16; CHECK-LABEL: abs_i32
17define noundef i32 @abs_i32(i32 noundef %a) {
18entry:
19; CHECK: sub i32 0, %a
20; EXPCHECK: call i32 @llvm.smax.i32(i32 %a, i32 %{{.*}})
21; DOPCHECK: call i32 @dx.op.binary.i32(i32 37, i32 %a, i32 %{{.*}}) #[[#ATTR]]
22  %elt.abs = call i32 @llvm.abs.i32(i32 %a, i1 false)
23  ret i32 %elt.abs
24}
25
26; CHECK-LABEL: abs_i64
27define noundef i64 @abs_i64(i64 noundef %a) {
28entry:
29; CHECK: sub i64 0, %a
30; EXPCHECK: call i64 @llvm.smax.i64(i64 %a, i64 %{{.*}})
31; DOPCHECK: call i64 @dx.op.binary.i64(i32 37, i64 %a, i64 %{{.*}}) #[[#ATTR]]
32  %elt.abs = call i64 @llvm.abs.i64(i64 %a, i1 false)
33  ret i64 %elt.abs
34}
35
36; DOPCHECK: attributes #[[#ATTR]] = {{{.*}} memory(none) {{.*}}}
37
38declare i16 @llvm.abs.i16(i16, i1 immarg)
39declare i32 @llvm.abs.i32(i32, i1 immarg)
40declare i64 @llvm.abs.i64(i64, i1 immarg)
41