| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # 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_scalar_mul_small() { |
| entry: |
| ret void |
| } |
| define void @test_mul_overflow() { ret void } |
| ... |
| |
| --- |
| name: test_scalar_mul_small |
| 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 |
| |
| ; CHECK-LABEL: name: test_scalar_mul_small |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY %x0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY %x1 |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64) |
| ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64) |
| ; CHECK: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[TRUNC]], [[TRUNC1]] |
| ; CHECK: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[MUL]](s32) |
| ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[TRUNC2]](s8) |
| ; CHECK: %x0 = COPY [[ANYEXT]](s64) |
| %0(s64) = COPY %x0 |
| %1(s64) = COPY %x1 |
| %2(s8) = G_TRUNC %0 |
| %3(s8) = G_TRUNC %1 |
| %4(s8) = G_MUL %2, %3 |
| %5(s64) = G_ANYEXT %4 |
| %x0 = COPY %5 |
| ... |
| |
| |
| --- |
| name: test_mul_overflow |
| body: | |
| bb.0: |
| liveins: %x0, %x1, %w2, %w3 |
| |
| ; CHECK-LABEL: name: test_mul_overflow |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY %x0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY %x1 |
| ; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[COPY]], [[COPY1]] |
| ; CHECK: [[SMULH:%[0-9]+]]:_(s64) = G_SMULH [[COPY]], [[COPY1]] |
| ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 |
| ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SMULH]](s64), [[C]] |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ICMP]](s32) |
| %0:_(s64) = COPY %x0 |
| %1:_(s64) = COPY %x1 |
| %2:_(s64), %3:_(s1) = G_SMULO %0, %1 |
| |
| ... |