62 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -verify-machineinstrs -show-mc-encoding < %s | FileCheck -check-prefixes=GCN %s
 | 
						|
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -filetype=obj < %s | llvm-readobj -r -t - | FileCheck -check-prefixes=ELF %s
 | 
						|
 | 
						|
@lds.external = external unnamed_addr addrspace(3) global [0 x i32]
 | 
						|
@lds.defined = unnamed_addr addrspace(3) global [8 x i32] undef, align 8
 | 
						|
 | 
						|
; ELF:      Relocations [
 | 
						|
; ELF-NEXT:   Section (3) .rel.text {
 | 
						|
; ELF-NEXT:     0x{{[0-9a-f]*}} R_AMDGPU_ABS32 lds.external
 | 
						|
; ELF-NEXT:     0x{{[0-9a-f]*}} R_AMDGPU_ABS32 lds.defined
 | 
						|
; ELF-NEXT:   }
 | 
						|
; ELF-NEXT: ]
 | 
						|
 | 
						|
; ELF:      Symbol {
 | 
						|
; ELF:        Name: lds.external
 | 
						|
; ELF-NEXT:   Value: 0x4
 | 
						|
; ELF-NEXT:   Size: 0
 | 
						|
; ELF-NEXT:   Binding: Global (0x1)
 | 
						|
; ELF-NEXT:   Type: Object (0x1)
 | 
						|
; ELF-NEXT:   Other: 0
 | 
						|
; ELF-NEXT:   Section: Processor Specific (0xFF00)
 | 
						|
; ELF-NEXT: }
 | 
						|
 | 
						|
; ELF:      Symbol {
 | 
						|
; ELF:        Name: lds.defined
 | 
						|
; ELF-NEXT:   Value: 0x8
 | 
						|
; ELF-NEXT:   Size: 32
 | 
						|
; ELF-NEXT:   Binding: Global (0x1)
 | 
						|
; ELF-NEXT:   Type: Object (0x1)
 | 
						|
; ELF-NEXT:   Other: 0
 | 
						|
; ELF-NEXT:   Section: Processor Specific (0xFF00)
 | 
						|
; ELF-NEXT: }
 | 
						|
 | 
						|
; GCN-LABEL: {{^}}test_basic:
 | 
						|
; GCN: v_mov_b32_e32 v1, lds.external@abs32@lo ; encoding: [0xff,0x02,0x02,0x7e,A,A,A,A]
 | 
						|
; GCN-NEXT:              ; fixup A - offset: 4, value: lds.external@abs32@lo, kind: FK_Data_4{{$}}
 | 
						|
;
 | 
						|
; GCN: s_add_i32 s0, s0, lds.defined@abs32@lo ; encoding: [0x00,0xff,0x00,0x81,A,A,A,A]
 | 
						|
; GCN-NEXT:          ; fixup A - offset: 4, value: lds.defined@abs32@lo, kind: FK_Data_4{{$}}
 | 
						|
;
 | 
						|
; GCN: .globl lds.external
 | 
						|
; GCN: .amdgpu_lds lds.external, 0, 4
 | 
						|
; GCN: .globl lds.defined
 | 
						|
; GCN: .amdgpu_lds lds.defined, 32, 8
 | 
						|
define amdgpu_gs float @test_basic(i32 inreg %wave, i32 %arg1) #0 {
 | 
						|
main_body:
 | 
						|
  %gep0 = getelementptr [0 x i32], [0 x i32] addrspace(3)* @lds.external, i32 0, i32 %arg1
 | 
						|
  %tmp = load i32, i32 addrspace(3)* %gep0
 | 
						|
 | 
						|
  %gep1 = getelementptr [8 x i32], [8 x i32] addrspace(3)* @lds.defined, i32 0, i32 %wave
 | 
						|
  store i32 123, i32 addrspace(3)* %gep1
 | 
						|
 | 
						|
  %r = bitcast i32 %tmp to float
 | 
						|
  ret float %r
 | 
						|
}
 | 
						|
 | 
						|
; Function Attrs: convergent nounwind readnone
 | 
						|
declare i64 @llvm.amdgcn.icmp.i64.i32(i32, i32, i32) #4
 | 
						|
 | 
						|
attributes #0 = { "no-signed-zeros-fp-math"="true" }
 | 
						|
attributes #4 = { convergent nounwind readnone }
 |