aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/AMDGPU/lds-size.ll
blob: 1607713090e3c93671404a3d4376e555ba73eb19 (plain) (blame)
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
31
32
; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=ALL -check-prefix=GCN %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:

; GCN: ; LDSByteSize: 4 bytes/workgroup (compile time only)
@lds = internal unnamed_addr addrspace(3) global i32 undef, align 4

define 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
}