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1; RUN: llvm-split -o %t %s -j 2 -mtriple amdgcn-amd-amdhsa -amdgpu-module-splitting-large-threshold=02; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s3; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s4 5; 2 kernels:6; - A is isolated7; - B is storing @HelperA/B's address8;9; The helper functions should get externalized (become hidden w/ external linkage)10 11; CHECK0: define hidden void @HelperA()12; CHECK0: define hidden void @HelperB()13; CHECK0: define amdgpu_kernel void @A()14; CHECK0: declare amdgpu_kernel void @B(i1, ptr)15 16; CHECK1: declare hidden void @HelperA()17; CHECK1: declare hidden void @HelperB()18; CHECK1: declare amdgpu_kernel void @A()19; CHECK1: define amdgpu_kernel void @B(i1 %cond, ptr %dst)20 21define internal void @HelperA() {22 ret void23}24 25define internal void @HelperB() {26 ret void27}28 29define amdgpu_kernel void @A() {30 ret void31}32 33define amdgpu_kernel void @B(i1 %cond, ptr %dst) {34 %addr = select i1 %cond, ptr @HelperA, ptr @HelperB35 store ptr %addr, ptr %dst36 ret void37}38