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; RUN: llvm-split -o %t %s -j 3 -mtriple amdgcn-amd-amdhsa -amdgpu-module-splitting-large-function-threshold=1.2 -amdgpu-module-splitting-large-function-merge-overlap=0.5
; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
; RUN: llvm-dis -o - %t2 | FileCheck --check-prefix=CHECK2 %s
; RUN: llvm-split -o %t.nolarge %s -j 3 -mtriple amdgcn-amd-amdhsa -amdgpu-module-splitting-large-function-threshold=0
; RUN: llvm-dis -o - %t.nolarge0 | FileCheck --check-prefix=NOLARGEKERNELS-CHECK0 %s
; RUN: llvm-dis -o - %t.nolarge1 | FileCheck --check-prefix=NOLARGEKERNELS-CHECK1 %s
; RUN: llvm-dis -o - %t.nolarge2 | FileCheck --check-prefix=NOLARGEKERNELS-CHECK2 %s
; 2 kernels (A/B) are large and share all their dependencies.
; They should go in the same partition, the remaining kernel should
; go somewhere else, and one partition should be empty.
;
; Also check w/o large kernels processing to verify they are indeed handled
; differently.
; CHECK0-NOT: define
; CHECK1-NOT: define
; CHECK1: define internal void @HelperC()
; CHECK1: define amdgpu_kernel void @C
; CHECK1-NOT: define
; CHECK2-NOT: define
; CHECK2: define internal void @large2()
; CHECK2: define internal void @large1()
; CHECK2: define internal void @large0()
; CHECK2: define internal void @HelperA()
; CHECK2: define internal void @HelperB()
; CHECK2: define amdgpu_kernel void @A
; CHECK2: define amdgpu_kernel void @B
; CHECK2-NOT: define
; NOLARGEKERNELS-CHECK0-NOT: define
; NOLARGEKERNELS-CHECK0: define internal void @HelperC()
; NOLARGEKERNELS-CHECK0: define amdgpu_kernel void @C
; NOLARGEKERNELS-CHECK0-NOT: define
; NOLARGEKERNELS-CHECK1: define internal void @large2()
; NOLARGEKERNELS-CHECK1: define internal void @large1()
; NOLARGEKERNELS-CHECK1: define internal void @large0()
; NOLARGEKERNELS-CHECK1: define internal void @HelperB()
; NOLARGEKERNELS-CHECK1: define amdgpu_kernel void @B
; NOLARGEKERNELS-CHECK2: define internal void @large2()
; NOLARGEKERNELS-CHECK2: define internal void @large1()
; NOLARGEKERNELS-CHECK2: define internal void @large0()
; NOLARGEKERNELS-CHECK2: define internal void @HelperA()
; NOLARGEKERNELS-CHECK2: define amdgpu_kernel void @A
define internal void @large2() {
store volatile i32 42, ptr null
call void @large2()
ret void
}
define internal void @large1() {
call void @large1()
call void @large2()
ret void
}
define internal void @large0() {
call void @large0()
call void @large1()
call void @large2()
ret void
}
define internal void @HelperA() {
call void @large0()
ret void
}
define internal void @HelperB() {
call void @large0()
ret void
}
define amdgpu_kernel void @A() {
call void @HelperA()
ret void
}
define amdgpu_kernel void @B() {
call void @HelperB()
ret void
}
define internal void @HelperC() {
ret void
}
define amdgpu_kernel void @C() {
call void @HelperC()
ret void
}
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