[llvm] bfdf9ef - Revert "[NFC][PowerPC] Add a new case to test phi-node-elimination pass"

Kang Zhang via llvm-commits llvm-commits at lists.llvm.org
Sun May 31 02:25:46 PDT 2020


Author: Kang Zhang
Date: 2020-05-31T09:24:21Z
New Revision: bfdf9ef009ab335981747f09a2c6b9a41c0462b4

URL: https://github.com/llvm/llvm-project/commit/bfdf9ef009ab335981747f09a2c6b9a41c0462b4
DIFF: https://github.com/llvm/llvm-project/commit/bfdf9ef009ab335981747f09a2c6b9a41c0462b4.diff

LOG: Revert "[NFC][PowerPC] Add a new case to test phi-node-elimination pass"
This case wll be failed on some machines which enable expensive-checks.

This reverts commit af3abbf7bd2213003a133c361c212ac6efb1bd2b.

Added: 
    

Modified: 
    

Removed: 
    llvm/test/CodeGen/PowerPC/phi-eliminate.mir


################################################################################
diff  --git a/llvm/test/CodeGen/PowerPC/phi-eliminate.mir b/llvm/test/CodeGen/PowerPC/phi-eliminate.mir
deleted file mode 100644
index 8b49b038e6c8..000000000000
--- a/llvm/test/CodeGen/PowerPC/phi-eliminate.mir
+++ /dev/null
@@ -1,295 +0,0 @@
-# RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 %s -o - \
-# RUN:   -run-pass=livevars,phi-node-elimination | FileCheck %s
-
---- |
-  define void @phi_eliminate(i32 %0, i32 %1, i8* %2) {
-    %scevgep3 = getelementptr i8, i8* %2, i64 undef
-    call void @llvm.set.loop.iterations.i64(i64 undef)
-    br label %4
-
-  4:                                                ; preds = %4, %3
-    %5 = phi i32 [ %8, %4 ], [ %0, %3 ]
-    %6 = phi i8* [ %scevgep3, %3 ], [ %7, %4 ]
-    %7 = getelementptr i8, i8* %6, i64 -1
-    %8 = sdiv i32 %5, %1
-    %9 = mul nsw i32 %8, %1
-    %10 = sub nsw i32 %5, %9
-    %11 = icmp ult i32 %10, 10
-    %12 = trunc i32 %10 to i8
-    %13 = select i1 %11, i8 48, i8 55
-    %14 = add i8 %13, %12
-    store i8 %14, i8* %7, align 1
-    %15 = call i1 @llvm.loop.decrement.i64(i64 1)
-    br i1 %15, label %4, label %16
-
-  16:                                               ; preds = %4
-    ret void
-  }
-
-  declare void @llvm.set.loop.iterations.i64(i64)
-
-  declare i1 @llvm.loop.decrement.i64(i64)
-
-  declare void @llvm.stackprotector(i8*, i8**)
-...
----
-name:            phi_eliminate
-alignment:       16
-exposesReturnsTwice: false
-legalized:       false
-regBankSelected: false
-selected:        false
-failedISel:      false
-tracksRegLiveness: true
-hasWinCFI:       false
-registers:
-  - { id: 0, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 1, class: gprc, preferred-register: '' }
-  - { id: 2, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 3, class: g8rc, preferred-register: '' }
-  - { id: 4, class: gprc, preferred-register: '' }
-  - { id: 5, class: g8rc, preferred-register: '' }
-  - { id: 6, class: g8rc, preferred-register: '' }
-  - { id: 7, class: g8rc, preferred-register: '' }
-  - { id: 8, class: gprc, preferred-register: '' }
-  - { id: 9, class: gprc, preferred-register: '' }
-  - { id: 10, class: g8rc, preferred-register: '' }
-  - { id: 11, class: gprc, preferred-register: '' }
-  - { id: 12, class: gprc, preferred-register: '' }
-  - { id: 13, class: crrc, preferred-register: '' }
-  - { id: 14, class: gprc_and_gprc_nor0, preferred-register: '' }
-  - { id: 15, class: gprc_and_gprc_nor0, preferred-register: '' }
-  - { id: 16, class: gprc, preferred-register: '' }
-  - { id: 17, class: gprc, preferred-register: '' }
-  - { id: 18, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 19, class: gprc, preferred-register: '' }
-  - { id: 20, class: gprc, preferred-register: '' }
-  - { id: 21, class: gprc, preferred-register: '' }
-  - { id: 22, class: crrc, preferred-register: '' }
-  - { id: 23, class: gprc, preferred-register: '' }
-  - { id: 24, class: gprc, preferred-register: '' }
-  - { id: 25, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 26, class: gprc, preferred-register: '' }
-  - { id: 27, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 28, class: gprc, preferred-register: '' }
-  - { id: 29, class: gprc, preferred-register: '' }
-  - { id: 30, class: gprc, preferred-register: '' }
-  - { id: 31, class: crrc, preferred-register: '' }
-  - { id: 32, class: gprc, preferred-register: '' }
-  - { id: 33, class: gprc, preferred-register: '' }
-  - { id: 34, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 35, class: gprc, preferred-register: '' }
-  - { id: 36, class: gprc, preferred-register: '' }
-  - { id: 37, class: gprc, preferred-register: '' }
-  - { id: 38, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 39, class: g8rc, preferred-register: '' }
-  - { id: 40, class: gprc, preferred-register: '' }
-  - { id: 41, class: gprc, preferred-register: '' }
-  - { id: 42, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 43, class: gprc, preferred-register: '' }
-  - { id: 44, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 45, class: gprc, preferred-register: '' }
-  - { id: 46, class: gprc, preferred-register: '' }
-  - { id: 47, class: crrc, preferred-register: '' }
-  - { id: 48, class: gprc, preferred-register: '' }
-  - { id: 49, class: gprc, preferred-register: '' }
-  - { id: 50, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 51, class: g8rc, preferred-register: '' }
-  - { id: 52, class: gprc, preferred-register: '' }
-  - { id: 53, class: gprc, preferred-register: '' }
-  - { id: 54, class: g8rc_and_g8rc_nox0, preferred-register: '' }
-  - { id: 55, class: gprc, preferred-register: '' }
-  - { id: 56, class: gprc, preferred-register: '' }
-liveins:
-  - { reg: '$x3', virtual-reg: '%5' }
-  - { reg: '$x4', virtual-reg: '%6' }
-frameInfo:
-  isFrameAddressTaken: false
-  isReturnAddressTaken: false
-  hasStackMap:     false
-  hasPatchPoint:   false
-  stackSize:       0
-  offsetAdjustment: 0
-  maxAlignment:    1
-  adjustsStack:    false
-  hasCalls:        false
-  stackProtector:  ''
-  maxCallFrameSize: 4294967295
-  cvBytesOfCalleeSavedRegisters: 0
-  hasOpaqueSPAdjustment: false
-  hasVAStart:      false
-  hasMustTailInVarArgFunc: false
-  localFrameSize:  0
-  savePoint:       ''
-  restorePoint:    ''
-fixedStack:      []
-stack:           []
-callSites:       []
-constants:       []
-machineFunctionInfo: {}
-body:             |
-  ; CHECK-LABEL: name: phi_eliminate
-  ; CHECK: bb.0 (%ir-block.3):
-  ; CHECK:   successors: %bb.1(0x80000000)
-  ; CHECK:   liveins: $x3, $x4
-  ; CHECK:   %6:g8rc = COPY killed $x4
-  ; CHECK:   %5:g8rc = COPY killed $x3
-  ; CHECK:   %9:gprc = COPY killed %6.sub_32
-  ; CHECK:   %8:gprc = COPY killed %5.sub_32
-  ; CHECK:   MTCTR8loop undef %10:g8rc, implicit-def dead $ctr8
-  ; CHECK:   %14:gprc_and_gprc_nor0 = LI 55
-  ; CHECK:   %15:gprc_and_gprc_nor0 = LI 48
-
-  ; CHECK: bb.1 (%ir-block.4):
-  ; CHECK:   successors: %bb.2(0x40000000), %bb.7(0x40000000)
-  ; CHECK:   %19:gprc = DIVW %8, %9
-  ; CHECK:   BDNZ8 %bb.2, implicit-def $ctr8, implicit $ctr8
-
-  ; CHECK: bb.7:
-  ; CHECK:   successors: %bb.5(0x80000000)
-  ; CHECK:   %61:gprc = COPY killed %8
-  ; CHECK:   %62:g8rc_and_g8rc_nox0 = IMPLICIT_DEF
-  ; CHECK:   %63:gprc = COPY killed %19
-  ; CHECK:   B %bb.5
-
-  ; CHECK: bb.2 (%ir-block.4):
-  ; CHECK:   successors: %bb.3(0x40000000), %bb.4(0x40000000)
-  ; CHECK:   %20:gprc = nsw MULLW %19, %9
-  ; CHECK:   %21:gprc = SUBF killed %20, killed %8
-  ; CHECK:   %22:crrc = CMPLWI %21, 10
-  ; CHECK:   %23:gprc = ISEL %15, %14, killed %22.sub_lt
-  ; CHECK:   %24:gprc = ADD4 killed %23, killed %21
-  ; CHECK:   %25:g8rc_and_g8rc_nox0 = STBU killed %24, -1, undef %0:g8rc_and_g8rc_nox0 :: (store 1 into %ir.7)
-  ; CHECK:   %26:gprc = DIVW %19, %9
-  ; CHECK:   %57:gprc = COPY killed %26
-  ; CHECK:   %58:gprc = COPY %19
-  ; CHECK:   %59:g8rc_and_g8rc_nox0 = COPY killed %25
-  ; CHECK:   %60:gprc = COPY killed %19
-  ; CHECK:   BDZ8 %bb.4, implicit-def $ctr8, implicit $ctr8
-  ; CHECK:   B %bb.3
-
-  ; CHECK: bb.3 (%ir-block.4):
-  ; CHECK:   successors: %bb.3(0x7c000000), %bb.4(0x04000000)
-  ; CHECK:   %38:g8rc_and_g8rc_nox0 = COPY killed %59
-  ; CHECK:   %37:gprc = COPY killed %57
-  ; CHECK:   %36:gprc = COPY killed %58
-  ; CHECK:   %35:gprc = COPY %57
-  ; CHECK:   %27:g8rc_and_g8rc_nox0 = COPY killed %38
-  ; CHECK:   %56:gprc = COPY %35
-  ; CHECK:   %28:gprc = DIVW %56, %9
-  ; CHECK:   %29:gprc = nsw MULLW killed %37, %9
-  ; CHECK:   %30:gprc = SUBF killed %29, killed %36
-  ; CHECK:   %31:crrc = CMPLWI %30, 10
-  ; CHECK:   %32:gprc = ISEL %15, %14, killed %31.sub_lt
-  ; CHECK:   %33:gprc = ADD4 killed %32, killed %30
-  ; CHECK:   %34:g8rc_and_g8rc_nox0 = STBU killed %33, -1, killed %27 :: (store unknown-size into %ir.7, align 1)
-  ; CHECK:   %57:gprc = COPY killed %28
-  ; CHECK:   %58:gprc = COPY killed %35
-  ; CHECK:   %59:g8rc_and_g8rc_nox0 = COPY killed %34
-  ; CHECK:   %60:gprc = COPY killed %56
-  ; CHECK:   BDNZ8 %bb.3, implicit-def $ctr8, implicit $ctr8
-  ; CHECK:   B %bb.4
-
-  ; CHECK: bb.4:
-  ; CHECK:   successors: %bb.5(0x80000000)
-  ; CHECK:   %44:g8rc_and_g8rc_nox0 = COPY killed %59
-  ; CHECK:   %43:gprc = COPY killed %57
-  ; CHECK:   %41:gprc = COPY killed %60
-  ; CHECK:   %39:g8rc = COPY killed %44
-  ; CHECK:   %61:gprc = COPY killed %41
-  ; CHECK:   %62:g8rc_and_g8rc_nox0 = COPY killed %39
-  ; CHECK:   %63:gprc = COPY killed %43
-
-  ; CHECK: bb.5:
-  ; CHECK:   successors: %bb.6(0x80000000)
-  ; CHECK:   %55:gprc = COPY killed %63
-  ; CHECK:   %54:g8rc_and_g8rc_nox0 = COPY killed %62
-  ; CHECK:   %53:gprc = COPY killed %61
-  ; CHECK:   %45:gprc = nsw MULLW killed %55, killed %9
-  ; CHECK:   %46:gprc = SUBF killed %45, killed %53
-  ; CHECK:   %47:crrc = CMPLWI %46, 10
-  ; CHECK:   %48:gprc = ISEL killed %15, killed %14, killed %47.sub_lt
-  ; CHECK:   %49:gprc = ADD4 killed %48, killed %46
-  ; CHECK:   dead %50:g8rc_and_g8rc_nox0 = STBU killed %49, -1, killed %54 :: (store unknown-size into %ir.7, align 1)
-  ; CHECK:   B %bb.6
-
-  ; CHECK: bb.6 (%ir-block.16):
-  ; CHECK:   BLR8 implicit $lr8, implicit $rm
-
-  bb.0 (%ir-block.3):
-    successors: %bb.1(0x80000000)
-    liveins: $x3, $x4
-
-    %6:g8rc = COPY killed $x4
-    %5:g8rc = COPY killed $x3
-    %9:gprc = COPY killed %6.sub_32
-    %8:gprc = COPY killed %5.sub_32
-    MTCTR8loop undef %10:g8rc, implicit-def dead $ctr8
-    %14:gprc_and_gprc_nor0 = LI 55
-    %15:gprc_and_gprc_nor0 = LI 48
-
-  bb.1 (%ir-block.4):
-    successors: %bb.2(0x40000000), %bb.5(0x40000000)
-
-    %19:gprc = DIVW %8, %9
-    BDZ8 %bb.5, implicit-def $ctr8, implicit $ctr8
-    B %bb.2
-
-  bb.2 (%ir-block.4):
-    successors: %bb.3(0x40000000), %bb.4(0x40000000)
-
-    %20:gprc = nsw MULLW %19, %9
-    %21:gprc = SUBF killed %20, killed %8
-    %22:crrc = CMPLWI %21, 10
-    %23:gprc = ISEL %15, %14, killed %22.sub_lt
-    %24:gprc = ADD4 killed %23, killed %21
-    %25:g8rc_and_g8rc_nox0 = STBU killed %24, -1, undef %0:g8rc_and_g8rc_nox0 :: (store 1 into %ir.7)
-    %26:gprc = DIVW %19, %9
-    BDZ8 %bb.4, implicit-def $ctr8, implicit $ctr8
-    B %bb.3
-
-  bb.3 (%ir-block.4):
-    successors: %bb.3(0x7c000000), %bb.4(0x04000000)
-
-    %35:gprc = PHI %26, %bb.2, %28, %bb.3
-    %36:gprc = PHI %19, %bb.2, %35, %bb.3
-    %37:gprc = PHI %26, %bb.2, %28, %bb.3
-    %38:g8rc_and_g8rc_nox0 = PHI %25, %bb.2, %34, %bb.3
-    %27:g8rc_and_g8rc_nox0 = COPY killed %38
-    %56:gprc = COPY %35
-    %28:gprc = DIVW %56, %9
-    %29:gprc = nsw MULLW killed %37, %9
-    %30:gprc = SUBF killed %29, killed %36
-    %31:crrc = CMPLWI %30, 10
-    %32:gprc = ISEL %15, %14, killed %31.sub_lt
-    %33:gprc = ADD4 killed %32, killed %30
-    %34:g8rc_and_g8rc_nox0 = STBU killed %33, -1, killed %27 :: (store unknown-size into %ir.7, align 1)
-    BDNZ8 %bb.3, implicit-def $ctr8, implicit $ctr8
-    B %bb.4
-
-  bb.4:
-    successors: %bb.5(0x80000000)
-
-    %41:gprc = PHI %19, %bb.2, %56, %bb.3
-    %43:gprc = PHI %26, %bb.2, %28, %bb.3
-    %44:g8rc_and_g8rc_nox0 = PHI %25, %bb.2, %34, %bb.3
-    %39:g8rc = COPY killed %44
-
-  bb.5:
-    successors: %bb.6(0x80000000)
-
-    %53:gprc = PHI %8, %bb.1, %41, %bb.4
-    %54:g8rc_and_g8rc_nox0 = PHI undef %0:g8rc_and_g8rc_nox0, %bb.1, %39, %bb.4
-    %55:gprc = PHI %19, %bb.1, %43, %bb.4
-    %45:gprc = nsw MULLW killed %55, killed %9
-    %46:gprc = SUBF killed %45, killed %53
-    %47:crrc = CMPLWI %46, 10
-    %48:gprc = ISEL killed %15, killed %14, killed %47.sub_lt
-    %49:gprc = ADD4 killed %48, killed %46
-    dead %50:g8rc_and_g8rc_nox0 = STBU killed %49, -1, killed %54 :: (store unknown-size into %ir.7, align 1)
-    B %bb.6
-
-  bb.6 (%ir-block.16):
-    BLR8 implicit $lr8, implicit $rm
-
-...


        


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