| # 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: |
| liveins: $x3, $x2 |
| %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: |
| liveins: $x3, $x2 |
| %0:g8rc = LBZ8 @y + 1, $x2 :: (dereferenceable load (s8) from @y + 1, basealign 4) |
| $x3 = COPY %0 |
| BLR8 implicit $lr8, implicit $rm, implicit $x3 |
| |
| ... |