llvm-project/llvm/test/CodeGen/AMDGPU/lds-size.ll

37 lines
968 B
LLVM

; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=ALL -check-prefix=GCN %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefix=ALL -check-prefix=HSA %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=ALL -check-prefix=EG %s
; This test makes sure we do not double count global values when they are
; used in different basic blocks.
; GCN: .long 47180
; GCN-NEXT: .long 32900
; EG: .long 166120
; EG-NEXT: .long 1
; ALL: {{^}}test:
; HSA: granulated_lds_size = 0
; HSA: workgroup_group_segment_byte_size = 4
; GCN: ; LDSByteSize: 4 bytes/workgroup (compile time only)
@lds = internal unnamed_addr addrspace(3) global i32 undef, align 4
define amdgpu_kernel void @test(i32 addrspace(1)* %out, i32 %cond) {
entry:
%0 = icmp eq i32 %cond, 0
br i1 %0, label %if, label %else
if:
store i32 1, i32 addrspace(3)* @lds
br label %endif
else:
store i32 2, i32 addrspace(3)* @lds
br label %endif
endif:
ret void
}