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|
# RUN: llc -verify-machineinstrs -x mir -filetype=obj < %s -o %t.o
# RUN: llvm-objdump -dr %t.o | FileCheck %s
# CHECK-LABEL: .read_x
# CHECK: lbz 3, 2(2)
# CHECK-NEXT: R_TOC x
# CHECK-LABEL: .read_y
# CHECK: lbz 3, 0(2)
# CHECK-NEXT: R_TOC y
--- |
; ModuleID = '<stdin>'
source_filename = "<stdin>"
target datalayout = "E-m:a-Fi64-i64:64-n32:64-S128-v256:256:256-v512:512:512"
target triple = "powerpc64-ibm-aix"
@x = local_unnamed_addr global i32 218114560, align 4 #0
@y = external local_unnamed_addr global i32, align 4 #0
define signext range(i32 0, 256) i32 @read_x() {
entry:
%0 = load i32, ptr @x, align 4
%shr = lshr i32 %0, 8
%and = and i32 %shr, 255
ret i32 %and
}
define signext range(i32 0, 256) i32 @read_y() {
entry:
%0 = load i32, ptr @y, align 4
%shr = lshr i32 %0, 16
%and = and i32 %shr, 255
ret i32 %and
}
attributes #0 = { "toc-data" }
...
---
name: read_x
alignment: 4
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc }
frameInfo:
maxAlignment: 8
machineFunctionInfo: {}
body: |
bb.0.entry:
%0:g8rc = LBZ8 @x + 2, $x2 :: (dereferenceable load (s8) from @x + 2, align 2, basealign 4)
$x3 = COPY %0
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
---
name: read_y
alignment: 4
tracksRegLiveness: true
registers:
- { id: 0, class: g8rc }
frameInfo:
maxAlignment: 8
machineFunctionInfo: {}
body: |
bb.0.entry:
%0:g8rc = LBZ8 @y + 1, $x2 :: (dereferenceable load (s8) from @y + 1, basealign 4)
$x3 = COPY %0
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
|
