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# RUN: llc -O0 -run-pass=legalizer -global-isel %s -o - 2>&1 | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--"
define void @test_scalar_sub_small() {
entry:
ret void
}
...
---
name: test_scalar_sub_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_sub_small
; CHECK: [[RES:%.*]](s8) = G_SUB %2, %3
%0(s64) = COPY %x0
%1(s64) = COPY %x1
%2(s8) = G_TRUNC %0
%3(s8) = G_TRUNC %1
%4(s8) = G_SUB %2, %3
%5(s64) = G_ANYEXT %2
%x0 = COPY %5
...
|
