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llvm-mirror/test/CodeGen/R600/sint_to_fp.ll
Tom Stellard a515fb7c17 R600: Add 64-bit float load/store support
* Added R600_Reg64 class
* Added T#Index#.XY registers definition
* Added v2i32 register reads from parameter and global space
* Added f32 and i32 elements extraction from v2f32 and v2i32
* Added v2i32 -> v2f32 conversions

Tom Stellard:
  - Mark vec2 operations as expand.  The addition of a vec2 register
    class made them all legal.

Patch by: Dmitry Cherkassov

Signed-off-by: Dmitry Cherkassov <dcherkassov@gmail.com>
llvm-svn: 187582
2013-08-01 15:23:42 +00:00

32 lines
1.3 KiB
LLVM

; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=SI-CHECK
; R600-CHECK: @sint_to_fp_v2i32
; R600-CHECK-DAG: INT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[2].W
; R600-CHECK-DAG: INT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[3].X
; SI-CHECK: @sint_to_fp_v2i32
; SI-CHECK: V_CVT_F32_I32_e32
; SI-CHECK: V_CVT_F32_I32_e32
define void @sint_to_fp_v2i32(<2 x float> addrspace(1)* %out, <2 x i32> %in) {
%result = sitofp <2 x i32> %in to <2 x float>
store <2 x float> %result, <2 x float> addrspace(1)* %out
ret void
}
; R600-CHECK: @sint_to_fp_v4i32
; R600-CHECK: INT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600-CHECK: INT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600-CHECK: INT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600-CHECK: INT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; SI-CHECK: @sint_to_fp_v4i32
; SI-CHECK: V_CVT_F32_I32_e32
; SI-CHECK: V_CVT_F32_I32_e32
; SI-CHECK: V_CVT_F32_I32_e32
; SI-CHECK: V_CVT_F32_I32_e32
define void @sint_to_fp_v4i32(<4 x float> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
%value = load <4 x i32> addrspace(1) * %in
%result = sitofp <4 x i32> %value to <4 x float>
store <4 x float> %result, <4 x float> addrspace(1)* %out
ret void
}