forked from OSchip/llvm-project
133 lines
3.1 KiB
YAML
133 lines
3.1 KiB
YAML
# 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_combines_1() { ret void }
|
|
define void @test_combines_2() { ret void }
|
|
define void @test_combines_3() { ret void }
|
|
define void @test_combines_4() { ret void }
|
|
define void @test_combines_5() { ret void }
|
|
define void @test_combines_6() { ret void }
|
|
...
|
|
|
|
---
|
|
name: test_combines_1
|
|
body: |
|
|
bb.0:
|
|
liveins: %w0
|
|
|
|
%0:_(s32) = COPY %w0
|
|
%1:_(s8) = G_TRUNC %0
|
|
|
|
; Only one of these extracts can be eliminated, the offsets don't match
|
|
; properly in the other cases.
|
|
; CHECK-LABEL: name: test_combines_1
|
|
; CHECK: %2(s32) = G_SEQUENCE %1(s8), 1
|
|
; CHECK: %3(s8) = G_EXTRACT %2(s32), 0
|
|
; CHECK-NOT: G_EXTRACT
|
|
; CHECK: %5(s8) = G_EXTRACT %2(s32), 2
|
|
; CHECK: %6(s32) = G_ZEXT %1(s8)
|
|
|
|
%2:_(s32) = G_SEQUENCE %1, 1
|
|
%3:_(s8) = G_EXTRACT %2, 0
|
|
%4:_(s8) = G_EXTRACT %2, 1
|
|
%5:_(s8) = G_EXTRACT %2, 2
|
|
%6:_(s32) = G_ZEXT %4
|
|
...
|
|
|
|
---
|
|
name: test_combines_2
|
|
body: |
|
|
bb.0:
|
|
liveins: %w0
|
|
|
|
%0:_(s32) = COPY %w0
|
|
|
|
; Similarly, here the types don't match.
|
|
; CHECK-LABEL: name: test_combines_2
|
|
; CHECK: %2(s64) = G_SEQUENCE %0(s32), 0, %1(s32), 32
|
|
; CHECK: %3(s1) = G_EXTRACT %2(s64), 0
|
|
; CHECK: %4(s64) = G_EXTRACT %2(s64), 0
|
|
%1:_(s32) = G_ADD %0, %0
|
|
%2:_(s64) = G_SEQUENCE %0, 0, %1, 32
|
|
%3:_(s1) = G_EXTRACT %2, 0
|
|
%4:_(s64) = G_EXTRACT %2, 0
|
|
...
|
|
|
|
---
|
|
name: test_combines_3
|
|
body: |
|
|
bb.0:
|
|
liveins: %w0
|
|
|
|
%0:_(s32) = COPY %w0
|
|
|
|
; CHECK-LABEL: name: test_combines_3
|
|
; CHECK: %1(s32) = G_ADD %0, %0
|
|
; CHECK-NOT: G_SEQUENCE
|
|
; CHECK-NOT: G_EXTRACT
|
|
; CHECK: %5(s32) = G_ADD %0, %1
|
|
%1:_(s32) = G_ADD %0, %0
|
|
%2:_(s64) = G_SEQUENCE %0, 0, %1, 32
|
|
%3:_(s32) = G_EXTRACT %2, 0
|
|
%4:_(s32) = G_EXTRACT %2, 32
|
|
%5:_(s32) = G_ADD %3, %4
|
|
...
|
|
|
|
---
|
|
name: test_combines_4
|
|
body: |
|
|
bb.0:
|
|
liveins: %x0
|
|
|
|
%0:_(s64) = COPY %x0
|
|
|
|
; CHECK-LABEL: name: test_combines_4
|
|
; CHECK: %2(<2 x s32>) = G_EXTRACT %1(s128), 0
|
|
; CHECK: %3(<2 x s32>) = G_ADD %2, %2
|
|
%1:_(s128) = G_SEQUENCE %0, 0, %0, 64
|
|
%2:_(<2 x s32>) = G_EXTRACT %1, 0
|
|
%3:_(<2 x s32>) = G_ADD %2, %2
|
|
...
|
|
|
|
---
|
|
name: test_combines_5
|
|
body: |
|
|
bb.0:
|
|
liveins: %w0
|
|
|
|
%0:_(s32) = COPY %w0
|
|
|
|
; CHECK-LABEL: name: test_combines_5
|
|
; CHECK-NOT: G_SEQUENCE
|
|
; CHECK-NOT: G_EXTRACT
|
|
; CHECK: %5(s32) = G_ADD %0, %1
|
|
%1:_(s32) = G_ADD %0, %0
|
|
%2:_(s64) = G_SEQUENCE %0, 0, %1, 32
|
|
%3:_(s32) = G_EXTRACT %2, 0
|
|
%4:_(s32) = G_EXTRACT %2, 32
|
|
%5:_(s32) = G_ADD %3, %4
|
|
...
|
|
|
|
---
|
|
name: test_combines_6
|
|
body: |
|
|
bb.0:
|
|
liveins: %w0
|
|
|
|
; CHECK-LABEL: name: test_combines_6
|
|
; CHECK: %0(s32) = COPY %w0
|
|
%0:_(s32) = COPY %w0
|
|
|
|
; Check that we replace all the uses of a G_EXTRACT.
|
|
; CHECK-NOT: G_SEQUENCE
|
|
; CHECK-NOT: G_EXTRACT
|
|
; CHECK: %3(s32) = G_MUL %0, %0
|
|
; CHECK: %4(s32) = G_ADD %0, %3
|
|
%1:_(s32) = G_SEQUENCE %0, 0
|
|
%2:_(s32) = G_EXTRACT %1, 0
|
|
%3:_(s32) = G_MUL %2, %2
|
|
%4:_(s32) = G_ADD %2, %3
|
|
...
|