File: this-reference.hlsl

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 (28 lines) | stat: -rw-r--r-- 961 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
 
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -x hlsl -emit-llvm -disable-llvm-passes -o - -hlsl-entry main %s | FileCheck %s

struct Pair {
  int First;
  float Second;

  int getFirst() {
	  return this.First;
  }

  float getSecond() {
    return Second;
  }
};

[numthreads(1, 1, 1)]
void main() {
  Pair Vals = {1, 2.0};
  Vals.First = Vals.getFirst();
  Vals.Second = Vals.getSecond();
}

// This tests reference like `this` in HLSL
  // CHECK:       %call = call noundef i32 @"?getFirst@Pair@@QAAHXZ"(ptr noundef nonnull align 4 dereferenceable(8) %Vals)
  // CHECK-NEXT:  %First = getelementptr inbounds %struct.Pair, ptr %Vals, i32 0, i32 0
  // CHECK-NEXT:  store i32 %call, ptr %First, align 4
  // CHECK-NEXT:  %call1 = call noundef float @"?getSecond@Pair@@QAAMXZ"(ptr noundef nonnull align 4 dereferenceable(8) %Vals)
  // CHECK-NEXT:  %Second = getelementptr inbounds %struct.Pair, ptr %Vals, i32 0, i32 1