| # RUN: llc -O0 -run-pass=legalizer -global-isel %s -o - | FileCheck %s |
| |
| --- | |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--" |
| define void @test_div() { |
| entry: |
| ret void |
| } |
| ... |
| |
| --- |
| name: test_div |
| registers: |
| - { id: 0, class: _ } |
| - { id: 1, class: _ } |
| - { id: 2, class: _ } |
| - { id: 3, class: _ } |
| - { id: 4, class: _ } |
| - { id: 5, class: _ } |
| body: | |
| bb.0.entry: |
| liveins: %x0, %x1, %x2, %x3 |
| %0(s64) = COPY %x0 |
| %1(s64) = COPY %x1 |
| %2(s8) = G_TRUNC %0 |
| %3(s8) = G_TRUNC %1 |
| |
| ; CHECK: [[A:%.*]]:_(s64) = COPY %x0 |
| ; CHECK: [[B:%.*]]:_(s64) = COPY %x1 |
| ; CHECK: [[C1:%.*]]:_(s32) = G_CONSTANT i32 24 |
| ; CHECK: [[S1:%.*]]:_(s32) = G_TRUNC [[A]] |
| ; CHECK: [[SHL1:%.*]]:_(s32) = G_SHL [[S1]], [[C1]] |
| ; CHECK: [[SEXT1:%.*]]:_(s32) = G_ASHR [[SHL1]], [[C1]] |
| ; CHECK: [[C2:%.*]]:_(s32) = G_CONSTANT i32 24 |
| ; CHECK: [[S2:%.*]]:_(s32) = G_TRUNC [[B]] |
| ; CHECK: [[SHL2:%.*]]:_(s32) = G_SHL [[S2]], [[C2]] |
| ; CHECK: [[SEXT2:%.*]]:_(s32) = G_ASHR [[SHL2]], [[C2]] |
| ; CHECK: [[DIV:%.*]]:_(s32) = G_SDIV [[SEXT1]], [[SEXT2]] |
| ; CHECK: [[RES:%.*]]:_(s8) = G_TRUNC [[DIV]] |
| |
| %4(s8) = G_SDIV %2, %3 |
| |
| |
| ; CHECK: [[CMASK1:%.*]]:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: [[T1:%.*]]:_(s32) = G_TRUNC [[A]] |
| ; CHECK: [[LHS32:%.*]]:_(s32) = G_AND [[T1]], [[CMASK1]] |
| ; CHECK: [[CMASK2:%.*]]:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: [[T2:%.*]]:_(s32) = G_TRUNC [[B]] |
| ; CHECK: [[RHS32:%.*]]:_(s32) = G_AND [[T2]], [[CMASK2]] |
| ; CHECK: [[QUOT32:%[0-9]+]]:_(s32) = G_UDIV [[LHS32]], [[RHS32]] |
| ; CHECK: [[RES:%[0-9]+]]:_(s8) = G_TRUNC [[QUOT32]] |
| %5(s8) = G_UDIV %2, %3 |
| |
| ... |