llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/legalize-mul.mir

33 lines
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# RUN: llc -O0 -run-pass=legalize-mir -global-isel %s -o - 2>&1 | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-apple-ios"
define void @test_scalar_mul_small() {
entry:
ret void
}
...
---
name: test_scalar_mul_small
isSSA: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0.entry:
liveins: %x0, %x1, %x2, %x3
; CHECK-LABEL: name: test_scalar_mul_small
; CHECK-DAG: [[LHS:%.*]](32) = G_ANYEXTEND s32 %0
; CHECK-DAG: [[RHS:%.*]](32) = G_ANYEXTEND s32 %1
; CHECK: [[RES:%.*]](32) = G_MUL s32 [[LHS]], [[RHS]]
; CHECK: %2(8) = G_TRUNC s8 [[RES]]
%0(8) = G_TRUNC s8 %x0
%1(8) = G_TRUNC s8 %x1
%2(8) = G_MUL s8 %0, %1
%x0 = G_ANYEXTEND s64 %2
...