llvm-6502/test/CodeGen/R600/trunc.ll
Matt Arsenault bec5c611e1 R600/SI: Print more immediates in hex format
Print in decimal for inline immediates, and hex otherwise. Use hex
always for offsets in addressing offsets.

This approximately matches what the shader compiler does.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206335 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-15 22:32:49 +00:00

56 lines
1.9 KiB
LLVM

; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
define void @trunc_i64_to_i32_store(i32 addrspace(1)* %out, i64 %in) {
; SI-LABEL: @trunc_i64_to_i32_store
; SI: S_LOAD_DWORD s0, s[0:1], 0xb
; SI: V_MOV_B32_e32 v0, s0
; SI: BUFFER_STORE_DWORD v0
; EG-LABEL: @trunc_i64_to_i32_store
; EG: MEM_RAT_CACHELESS STORE_RAW T0.X, T1.X, 1
; EG: LSHR
; EG-NEXT: 2(
%result = trunc i64 %in to i32 store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; SI-LABEL: @trunc_load_shl_i64:
; SI-DAG: S_LOAD_DWORDX2
; SI-DAG: S_LOAD_DWORD [[SREG:s[0-9]+]],
; SI: S_LSHL_B32 [[SHL:s[0-9]+]], [[SREG]], 2
; SI: V_MOV_B32_e32 [[VSHL:v[0-9]+]], [[SHL]]
; SI: BUFFER_STORE_DWORD [[VSHL]],
define void @trunc_load_shl_i64(i32 addrspace(1)* %out, i64 %a) {
%b = shl i64 %a, 2
%result = trunc i64 %b to i32
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; SI-LABEL: @trunc_shl_i64:
; SI: S_LOAD_DWORDX2 s{{\[}}[[LO_SREG:[0-9]+]]:{{[0-9]+\]}},
; SI: S_ADD_I32 s[[LO_ADD:[0-9]+]], s[[LO_SREG]],
; SI: S_LSHL_B64 s{{\[}}[[LO_SREG2:[0-9]+]]:{{[0-9]+\]}}, s{{\[}}[[LO_ADD]]:{{[0-9]+\]}}, 2
; SI: V_MOV_B32_e32 v[[LO_VREG:[0-9]+]], s[[LO_SREG2]]
; SI: BUFFER_STORE_DWORD v[[LO_VREG]],
define void @trunc_shl_i64(i64 addrspace(1)* %out2, i32 addrspace(1)* %out, i64 %a) {
%aa = add i64 %a, 234 ; Prevent shrinking store.
%b = shl i64 %aa, 2
%result = trunc i64 %b to i32
store i32 %result, i32 addrspace(1)* %out, align 4
store i64 %b, i64 addrspace(1)* %out2, align 8 ; Prevent reducing ops to 32-bits
ret void
}
; SI-LABEL: @trunc_i32_to_i1:
; SI: V_AND_B32
; SI: V_CMP_EQ_I32
define void @trunc_i32_to_i1(i32 addrspace(1)* %out, i32 %a) {
%trunc = trunc i32 %a to i1
%result = select i1 %trunc, i32 1, i32 0
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}