xref: /llvm-project/llvm/test/CodeGen/DirectX/log.ll (revision 011b618644113996e2c0a8e57db40f89d20878e3)
1cdfd884bSS. Bharadwaj Yadavalli; RUN: opt -S  -dxil-intrinsic-expansion  -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,EXPCHECK
27d0ca601SFarzon Lotfi; RUN: opt -S  -dxil-intrinsic-expansion -dxil-op-lower  -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,DOPCHECK
35cf1e2e2SFarzon Lotfi
45cf1e2e2SFarzon Lotfi; Make sure dxil operation function calls for log are generated.
55cf1e2e2SFarzon Lotfi
65cf1e2e2SFarzon Lotfidefine noundef float @log_float(float noundef %a) #0 {
75cf1e2e2SFarzon Lotfientry:
8*011b6186SFinn Plummer; DOPCHECK: call float @dx.op.unary.f32(i32 23, float %{{.*}}) #[[#ATTR:]]
95cf1e2e2SFarzon Lotfi; EXPCHECK: call float @llvm.log2.f32(float %a)
105cf1e2e2SFarzon Lotfi; CHECK: fmul float 0x3FE62E4300000000, %{{.*}}
115cf1e2e2SFarzon Lotfi  %elt.log = call float @llvm.log.f32(float %a)
125cf1e2e2SFarzon Lotfi  ret float %elt.log
135cf1e2e2SFarzon Lotfi}
145cf1e2e2SFarzon Lotfi
155cf1e2e2SFarzon Lotfidefine noundef half @log_half(half noundef %a) #0 {
165cf1e2e2SFarzon Lotfientry:
17*011b6186SFinn Plummer; DOPCHECK: call half @dx.op.unary.f16(i32 23, half %{{.*}}) #[[#ATTR]]
185cf1e2e2SFarzon Lotfi; EXPCHECK: call half @llvm.log2.f16(half %a)
195cf1e2e2SFarzon Lotfi; CHECK: fmul half 0xH398C, %{{.*}}
205cf1e2e2SFarzon Lotfi  %elt.log = call half @llvm.log.f16(half %a)
215cf1e2e2SFarzon Lotfi  ret half %elt.log
225cf1e2e2SFarzon Lotfi}
235cf1e2e2SFarzon Lotfi
24*011b6186SFinn Plummer; DOPCHECK: attributes #[[#ATTR]] = {{{.*}} memory(none) {{.*}}}
25*011b6186SFinn Plummer
265cf1e2e2SFarzon Lotfideclare half @llvm.log.f16(half)
275cf1e2e2SFarzon Lotfideclare float @llvm.log.f32(float)
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