llvm-project/llvm/test/CodeGen/Mips/Fast-ISel/div1.ll

56 lines
2.2 KiB
LLVM

; RUN: llc < %s -march=mipsel -mcpu=mips32 -O0 -relocation-model=pic \
; RUN: -fast-isel-abort=3 | FileCheck %s
; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -O0 -relocation-model=pic \
; RUN: -fast-isel-abort=3 | FileCheck %s
@sj = global i32 200000, align 4
@sk = global i32 -47, align 4
@uj = global i32 200000, align 4
@uk = global i32 43, align 4
@si = common global i32 0, align 4
@ui = common global i32 0, align 4
define void @divs() {
; CHECK-LABEL: divs:
; CHECK: lui $[[GOT1:[0-9]+]], %hi(_gp_disp)
; CHECK: addiu $[[GOT2:[0-9]+]], $[[GOT1]], %lo(_gp_disp)
; CHECK: addu $[[GOT:[0-9]+]], $[[GOT2:[0-9]+]], $25
; CHECK-DAG: lw $[[I_ADDR:[0-9]+]], %got(si)($[[GOT]])
; CHECK-DAG: lw $[[K_ADDR:[0-9]+]], %got(sk)($[[GOT]])
; CHECK-DAG: lw $[[J_ADDR:[0-9]+]], %got(sj)($[[GOT]])
; CHECK-DAG: lw $[[J:[0-9]+]], 0($[[J_ADDR]])
; CHECK-DAG: lw $[[K:[0-9]+]], 0($[[K_ADDR]])
; CHECK-DAG: div $zero, $[[J]], $[[K]]
; CHECK-DAG: teq $[[K]], $zero, 7
; CHECK-DAG: mflo $[[RESULT:[0-9]+]]
; CHECK: sw $[[RESULT]], 0($[[I_ADDR]])
%1 = load i32, i32* @sj, align 4
%2 = load i32, i32* @sk, align 4
%div = sdiv i32 %1, %2
store i32 %div, i32* @si, align 4
ret void
}
define void @divu() {
; CHECK-LABEL: divu:
; CHECK: lui $[[GOT1:[0-9]+]], %hi(_gp_disp)
; CHECK: addiu $[[GOT2:[0-9]+]], $[[GOT1]], %lo(_gp_disp)
; CHECK: addu $[[GOT:[0-9]+]], $[[GOT2:[0-9]+]], $25
; CHECK-DAG: lw $[[I_ADDR:[0-9]+]], %got(ui)($[[GOT]])
; CHECK-DAG: lw $[[K_ADDR:[0-9]+]], %got(uk)($[[GOT]])
; CHECK-DAG: lw $[[J_ADDR:[0-9]+]], %got(uj)($[[GOT]])
; CHECK-DAG: lw $[[J:[0-9]+]], 0($[[J_ADDR]])
; CHECK-DAG: lw $[[K:[0-9]+]], 0($[[K_ADDR]])
; CHECK-DAG: divu $zero, $[[J]], $[[K]]
; CHECK-DAG: teq $[[K]], $zero, 7
; CHECK-DAG: mflo $[[RESULT:[0-9]+]]
; CHECK: sw $[[RESULT]], 0($[[I_ADDR]])
%1 = load i32, i32* @uj, align 4
%2 = load i32, i32* @uk, align 4
%div = udiv i32 %1, %2
store i32 %div, i32* @ui, align 4
ret void
}