File: sqrt.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (30 lines) | stat: -rw-r--r-- 1,357 bytes parent folder | download | duplicates (4)
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
28
29
30
; RUN: llc -O0 -opaque-pointers=0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s

; CHECK: %[[#ExtInstSetId:]] = OpExtInstImport "OpenCL.std"
; CHECK: %[[#Float:]] = OpTypeFloat 32
; CHECK: %[[#Double:]] = OpTypeFloat 64
; CHECK: %[[#Double4:]] = OpTypeVector %[[#Double]] 4
; CHECK: %[[#FloatArg:]] = OpConstant %[[#Float]]
; CHECK: %[[#DoubleArg:]] = OpConstant %[[#Double]]
; CHECK: %[[#Double4Arg:]] = OpConstantComposite %[[#Double4]]

;; We need to store sqrt results, otherwise isel does not emit sqrts as dead insts.
define spir_func void @test_sqrt(float* %x, double* %y, <4 x double>* %z) {
entry:
  %0 = call float @llvm.sqrt.f32(float 0x40091EB860000000)
  store float %0, float* %x
  %1 = call double @llvm.sqrt.f64(double 2.710000e+00)
  store double %1, double* %y
  %2 = call <4 x double> @llvm.sqrt.v4f64(<4 x double> <double 5.000000e-01, double 2.000000e-01, double 3.000000e-01, double 4.000000e-01>)
  store <4 x double> %2, <4 x double>* %z
; CHECK: %[[#]] = OpExtInst %[[#Float]] %[[#ExtInstSetId]] sqrt %[[#FloatArg]]
; CHECK: %[[#]] = OpExtInst %[[#Double]] %[[#ExtInstSetId]] sqrt %[[#DoubleArg]]
; CHECK: %[[#]] = OpExtInst %[[#Double4]] %[[#ExtInstSetId]] sqrt %[[#Double4Arg]]
  ret void
}

declare float @llvm.sqrt.f32(float)

declare double @llvm.sqrt.f64(double)

declare <4 x double> @llvm.sqrt.v4f64(<4 x double>)