[PATCH] D140366: [PowerPC][NFC] adding an option to keep the test point

[ChenZheng via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGdd0edc876cfe: [PowerPC][NFC] add an option to keep the test point (authored by shchenz).

Changed prior to commit:
  https://reviews.llvm.org/D140366?vs=484157&id=486726#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140366/new/

https://reviews.llvm.org/D140366

Files:
  llvm/test/CodeGen/PowerPC/pr48527.ll


Index: llvm/test/CodeGen/PowerPC/pr48527.ll
===================================================================
--- llvm/test/CodeGen/PowerPC/pr48527.ll
+++ llvm/test/CodeGen/PowerPC/pr48527.ll
@@ -1,6 +1,11 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -relocation-model=pic -verify-machineinstrs < %s \
+; RUN: llc -relocation-model=pic -verify-machineinstrs -start-before=hardware-loops < %s \
 ; RUN:   -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 | FileCheck %s
+
+; NOTE: this needs to run starting at HW loops to ensure that the original loop
+; does not end up producing a HW loop. If other passes are run prior, the loop
+; will be transformed.
+
 %struct.e.0.12.28.44.104.108.112.188 = type { i32 }
 %struct.t.1.13.29.45.105.109.113.189 = type { i64, i64 }
 
@@ -11,13 +16,15 @@
 ; CHECK-LABEL: _ZNK1q1rEv:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    mflr 0
+; CHECK-NEXT:    std 28, -32(1) # 8-byte Folded Spill
 ; CHECK-NEXT:    std 29, -24(1) # 8-byte Folded Spill
 ; CHECK-NEXT:    std 30, -16(1) # 8-byte Folded Spill
 ; CHECK-NEXT:    stdu 1, -64(1)
 ; CHECK-NEXT:    std 0, 80(1)
+; CHECK-NEXT:    li 29, 0
 ; CHECK-NEXT:    lwz 30, 0(3)
 ; CHECK-NEXT:    addis 3, 2, .LC0 at toc@ha
-; CHECK-NEXT:    ld 29, .LC0 at toc@l(3)
+; CHECK-NEXT:    ld 28, .LC0 at toc@l(3)
 ; CHECK-NEXT:    addis 3, 2, aj at got@tlsgd at ha
 ; CHECK-NEXT:    addi 3, 3, aj at got@tlsgd at l
 ; CHECK-NEXT:    bl __tls_get_addr(aj at tlsgd)
@@ -26,13 +33,13 @@
 ; CHECK-NEXT:    .p2align 5
 ; CHECK-NEXT:  .LBB0_1: # %monotonic.i
 ; CHECK-NEXT:    #
-; CHECK-NEXT:    lwz 5, 0(29)
+; CHECK-NEXT:    lwz 5, 0(28)
 ; CHECK-NEXT:    andi. 5, 5, 255
 ; CHECK-NEXT:    bne 0, .LBB0_4
 ; CHECK-NEXT:  # %bb.2: # %for.cond.i
 ; CHECK-NEXT:    #
-; CHECK-NEXT:    addi 30, 30, -1
-; CHECK-NEXT:    cmplwi 30, 0
+; CHECK-NEXT:    addi 29, 29, 1
+; CHECK-NEXT:    cmplw 29, 30
 ; CHECK-NEXT:    bne 0, .LBB0_1
 ; CHECK-NEXT:  # %bb.3:
 ; CHECK-NEXT:    mr 4, 3
@@ -43,6 +50,7 @@
 ; CHECK-NEXT:    ld 0, 16(1)
 ; CHECK-NEXT:    ld 30, -16(1) # 8-byte Folded Reload
 ; CHECK-NEXT:    ld 29, -24(1) # 8-byte Folded Reload
+; CHECK-NEXT:    ld 28, -32(1) # 8-byte Folded Reload
 ; CHECK-NEXT:    mtlr 0
 ; CHECK-NEXT:    blr
 entry:


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