blob: d3894137619203c7fde10d6d4aeb69e5e04a4a0c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
; RUN: opt -S -dxil-intrinsic-expansion -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,EXPCHECK
; RUN: opt -S -dxil-intrinsic-expansion -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,DOPCHECK
; Make sure dxil operation function calls for log are generated.
define noundef float @log_float(float noundef %a) #0 {
entry:
; DOPCHECK: call float @dx.op.unary.f32(i32 23, float %{{.*}}) #[[#ATTR:]]
; EXPCHECK: call float @llvm.log2.f32(float %a)
; CHECK: fmul float 0x3FE62E4300000000, %{{.*}}
%elt.log = call float @llvm.log.f32(float %a)
ret float %elt.log
}
define noundef half @log_half(half noundef %a) #0 {
entry:
; DOPCHECK: call half @dx.op.unary.f16(i32 23, half %{{.*}}) #[[#ATTR]]
; EXPCHECK: call half @llvm.log2.f16(half %a)
; CHECK: fmul half 0xH398C, %{{.*}}
%elt.log = call half @llvm.log.f16(half %a)
ret half %elt.log
}
; DOPCHECK: attributes #[[#ATTR]] = {{{.*}} memory(none) {{.*}}}
declare half @llvm.log.f16(half)
declare float @llvm.log.f32(float)
|
