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[NFC] Add comments in unit test aix-xcoff-toc.ll to clarify the intent 

Address David's post review comment in https://reviews.llvm.org/D71667.
Add comments to clarify what we are testing in that file.
This commit is contained in:
jasonliu 2019-12-31 03:29:50 +00:00
parent 6185dc0eb3
commit 991f7abdfc
1 changed files with 10 additions and 0 deletions
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10
llvm/test/CodeGen/PowerPC/aix-xcoff-toc.ll
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@ -1,3 +1,5 @@
; This file tests TOC entry generation and undefined symbol generation.
; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mtriple powerpc-ibm-aix-xcoff < %s | FileCheck --check-prefixes CHECK,CHECK32 %s
; RUN: llc -verify-machineinstrs -mcpu=pwr4 -mtriple powerpc64-ibm-aix-xcoff < %s 2>&1 | FileCheck --check-prefixes CHECK,CHECK64 %s
@ -42,6 +44,8 @@ define void @foobar() {
ret void
}
; Test tc entry assembly generation.
; CHECK-NOT: .comm a
; CHECK-NOT: .lcomm a
; CHECK-NOT: .comm b
@ -69,6 +73,9 @@ define void @foobar() {
; CHECK-NEXT: LC7:
; CHECK-NEXT: .tc foobar[TC],foobar[DS]
; Test undefined symbol generation.
; SYM: File: {{.*}}aix-xcoff-toc.ll.tmp.o
; SYM: Symbol {{[{][[:space:]] *}}Index: [[#UNDEF_INDX:]]{{[[:space:]] *}}Name: a
; SYM-NEXT: Value (RelocatableAddress): 0x0
@ -148,6 +155,9 @@ define void @foobar() {
; SYM-NEXT: StabSectNum: 0x0
; SYM-NEXT: }
; SYM-NEXT: }
; Test TOC entry symbol generation.
; SYM: Symbol {{[{][[:space:]] *}}Index: [[#TOC_INDX:]]{{[[:space:]] *}}Name: TOC
; SYM-NEXT: Value (RelocatableAddress): 0xA8
; SYM-NEXT: Section: .data