xref: /llvm-project/llvm/test/CodeGen/DirectX/exp.ll (revision 011b618644113996e2c0a8e57db40f89d20878e3)
17d0ca601SFarzon Lotfi; RUN: opt -S -dxil-intrinsic-expansion -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s
2de1a97dbSFarzon Lotfi
3de1a97dbSFarzon Lotfi; Make sure dxil operation function calls for exp are generated for float and half.
4de1a97dbSFarzon Lotfi
5de1a97dbSFarzon Lotfi; CHECK-LABEL: exp_float
6de1a97dbSFarzon Lotfi; CHECK: fmul float 0x3FF7154760000000, %{{.*}}
7*011b6186SFinn Plummer; CHECK: call float @dx.op.unary.f32(i32 21, float %{{.*}}) #[[#ATTR:]]
8de1a97dbSFarzon Lotfidefine noundef float @exp_float(float noundef %a) {
9de1a97dbSFarzon Lotfientry:
10de1a97dbSFarzon Lotfi  %a.addr = alloca float, align 4
11de1a97dbSFarzon Lotfi  store float %a, ptr %a.addr, align 4
12de1a97dbSFarzon Lotfi  %0 = load float, ptr %a.addr, align 4
13de1a97dbSFarzon Lotfi  %elt.exp = call float @llvm.exp.f32(float %0)
14de1a97dbSFarzon Lotfi  ret float %elt.exp
15de1a97dbSFarzon Lotfi}
16de1a97dbSFarzon Lotfi
17de1a97dbSFarzon Lotfi; CHECK-LABEL: exp_half
18de1a97dbSFarzon Lotfi; CHECK: fmul half 0xH3DC5, %{{.*}}
19*011b6186SFinn Plummer; CHECK: call half @dx.op.unary.f16(i32 21, half %{{.*}}) #[[#ATTR]]
20de1a97dbSFarzon Lotfi; Function Attrs: noinline nounwind optnone
21de1a97dbSFarzon Lotfidefine noundef half @exp_half(half noundef %a) {
22de1a97dbSFarzon Lotfientry:
23de1a97dbSFarzon Lotfi  %a.addr = alloca half, align 2
24de1a97dbSFarzon Lotfi  store half %a, ptr %a.addr, align 2
25de1a97dbSFarzon Lotfi  %0 = load half, ptr %a.addr, align 2
26de1a97dbSFarzon Lotfi  %elt.exp = call half @llvm.exp.f16(half %0)
27de1a97dbSFarzon Lotfi  ret half %elt.exp
28de1a97dbSFarzon Lotfi}
29de1a97dbSFarzon Lotfi
30*011b6186SFinn Plummer; CHECK: attributes #[[#ATTR]] = {{{.*}} memory(none) {{.*}}}
31*011b6186SFinn Plummer
32de1a97dbSFarzon Lotfideclare half @llvm.exp.f16(half)
33de1a97dbSFarzon Lotfideclare float @llvm.exp.f32(float)
34