Revert rL292292 since it causes a SEGV on sanitizer-x86_64-linux-fuzzer build bot.

llvm-svn: 292327

2 files changed, 0 insertions, 173 deletions

diff --git a/llvm/test/CodeGen/X86/pre-coalesce.ll b/llvm/test/CodeGen/X86/pre-coalesce.ll
deleted file mode 100644
index 9cd6365453c..00000000000
--- a/llvm/test/CodeGen/X86/pre-coalesce.ll
+++ /dev/null
@@ -1,51 +0,0 @@
-; RUN: llc -regalloc=greedy -mtriple=x86_64-unknown-linux-gnu  < %s -o - | FileCheck %s
-;
-; The test is to check no redundent mov as follows will be generated in %while.body loop.
-;  .LBB0_2:
-;    movsbl	%cl, %ecx
-;    movl	%edx, %eax   ==> This movl can be promoted outside of loop.
-;    shll	$5, %eax
-;    ...
-;    movl	%eax, %edx
-;    jne     .LBB0_2
-;
-; CHECK-LABEL: foo:
-; CHECK: [[L0:.LBB0_[0-9]+]]: # %while.body
-; CHECK: movl %[[REGA:.*]], %[[REGB:.*]]
-; CHECK-NOT: movl %[[REGB]], %[[REGA]]
-; CHECK: jne [[L0]]
-;
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-
-@b = common local_unnamed_addr global i8* null, align 8
-@a = common local_unnamed_addr global i32 0, align 4
-
-define i32 @foo() local_unnamed_addr {
-entry:
-  %t0 = load i8*, i8** @b, align 8
-  %t1 = load i8, i8* %t0, align 1
-  %cmp4 = icmp eq i8 %t1, 0
-  %t2 = load i32, i32* @a, align 4
-  br i1 %cmp4, label %while.end, label %while.body.preheader
-
-while.body.preheader:                             ; preds = %entry
-  br label %while.body
-
-while.body:                                       ; preds = %while.body.preheader, %while.body
-  %t3 = phi i32 [ %add3, %while.body ], [ %t2, %while.body.preheader ]
-  %t4 = phi i8 [ %t5, %while.body ], [ %t1, %while.body.preheader ]
-  %conv = sext i8 %t4 to i32
-  %add = mul i32 %t3, 33
-  %add3 = add nsw i32 %add, %conv
-  store i32 %add3, i32* @a, align 4
-  %t5 = load i8, i8* %t0, align 1
-  %cmp = icmp eq i8 %t5, 0
-  br i1 %cmp, label %while.end.loopexit, label %while.body
-
-while.end.loopexit:                               ; preds = %while.body
-  br label %while.end
-
-while.end:                                        ; preds = %while.end.loopexit, %entry
-  %.lcssa = phi i32 [ %t2, %entry ], [ %add3, %while.end.loopexit ]
-  ret i32 %.lcssa
-}
diff --git a/llvm/test/CodeGen/X86/pre-coalesce.mir b/llvm/test/CodeGen/X86/pre-coalesce.mir
deleted file mode 100644
index 11805fe090b..00000000000
--- a/llvm/test/CodeGen/X86/pre-coalesce.mir
+++ /dev/null
@@ -1,122 +0,0 @@
-# RUN: llc -mtriple=x86_64-unknown-linux-gnu -run-pass simple-register-coalescing -o - %s | FileCheck %s
-# Check there is no partial redundent copy left in the loop after register coalescing.
---- |
-  ; ModuleID = '<stdin>'
-  source_filename = "<stdin>"
-  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-  target triple = "x86_64-unknown-linux-gnu"
-  
-  @b = common local_unnamed_addr global i8* null, align 8
-  @a = common local_unnamed_addr global i32 0, align 4
-  
-  define i32 @foo() local_unnamed_addr {
-  entry:
-    %t0 = load i8*, i8** @b, align 8
-    %t1 = load i8, i8* %t0, align 1
-    %cmp4 = icmp eq i8 %t1, 0
-    %t2 = load i32, i32* @a, align 4
-    br i1 %cmp4, label %while.end, label %while.body.preheader
-  
-  while.body.preheader:                             ; preds = %entry
-    br label %while.body
-  
-  while.body:                                       ; preds = %while.body, %while.body.preheader
-    %t3 = phi i32 [ %add3, %while.body ], [ %t2, %while.body.preheader ]
-    %t4 = phi i8 [ %t5, %while.body ], [ %t1, %while.body.preheader ]
-    %conv = sext i8 %t4 to i32
-    %add = mul i32 %t3, 33
-    %add3 = add nsw i32 %add, %conv
-    store i32 %add3, i32* @a, align 4
-    %t5 = load i8, i8* %t0, align 1
-    %cmp = icmp eq i8 %t5, 0
-    br i1 %cmp, label %while.end, label %while.body
-  
-  while.end:                                        ; preds = %while.body, %entry
-    %.lcssa = phi i32 [ %t2, %entry ], [ %add3, %while.body ]
-    ret i32 %.lcssa
-  }
-
-...
----
-# Check A = B and B = A copies will not exist in the loop at the same time.
-# CHECK: name: foo
-# CHECK: [[L1:bb.3.while.body]]:
-# CHECK: %[[REGA:.*]] = COPY %[[REGB:.*]]
-# CHECK-NOT: %[[REGB]] = COPY %[[REGA]]
-# CHECK: JNE_1 %[[L1]]
-
-name:            foo
-alignment:       4
-exposesReturnsTwice: false
-legalized:       false
-regBankSelected: false
-selected:        false
-tracksRegLiveness: true
-registers:       
-  - { id: 0, class: gr64 }
-  - { id: 1, class: gr8 }
-  - { id: 2, class: gr32 }
-  - { id: 3, class: gr32 }
-  - { id: 4, class: gr8 }
-  - { id: 5, class: gr32 }
-  - { id: 6, class: gr8 }
-  - { id: 7, class: gr32 }
-  - { id: 8, class: gr32 }
-  - { id: 9, class: gr32 }
-  - { id: 10, class: gr32 }
-  - { id: 11, class: gr32 }
-  - { id: 12, class: gr8 }
-  - { id: 13, class: gr32 }
-frameInfo:       
-  isFrameAddressTaken: false
-  isReturnAddressTaken: false
-  hasStackMap:     false
-  hasPatchPoint:   false
-  stackSize:       0
-  offsetAdjustment: 0
-  maxAlignment:    0
-  adjustsStack:    false
-  hasCalls:        false
-  maxCallFrameSize: 0
-  hasOpaqueSPAdjustment: false
-  hasVAStart:      false
-  hasMustTailInVarArgFunc: false
-body:             |
-  bb.0.entry:
-    successors: %bb.4(0x30000000), %bb.1.while.body.preheader(0x50000000)
-  
-    %0 = MOV64rm %rip, 1, _, @b, _ :: (dereferenceable load 8 from @b)
-    %12 = MOV8rm %0, 1, _, 0, _ :: (load 1 from %ir.t0)
-    TEST8rr %12, %12, implicit-def %eflags
-    %11 = MOV32rm %rip, 1, _, @a, _ :: (dereferenceable load 4 from @a)
-    JNE_1 %bb.1.while.body.preheader, implicit killed %eflags
-  
-  bb.4:
-    successors: %bb.3.while.end(0x80000000)
-  
-    %10 = COPY %11
-    JMP_1 %bb.3.while.end
-  
-  bb.1.while.body.preheader:
-    successors: %bb.2.while.body(0x80000000)
-
-  bb.2.while.body:
-    successors: %bb.3.while.end(0x04000000), %bb.2.while.body(0x7c000000)
-  
-    %8 = MOVSX32rr8 %12
-    %10 = COPY %11
-    %10 = SHL32ri %10, 5, implicit-def dead %eflags
-    %10 = ADD32rr %10, %11, implicit-def dead %eflags
-    %10 = ADD32rr %10, %8, implicit-def dead %eflags
-    MOV32mr %rip, 1, _, @a, _, %10 :: (store 4 into @a)
-    %12 = MOV8rm %0, 1, _, 0, _ :: (load 1 from %ir.t0)
-    TEST8rr %12, %12, implicit-def %eflags
-    %11 = COPY %10
-    JNE_1 %bb.2.while.body, implicit killed %eflags
-    JMP_1 %bb.3.while.end
-  
-  bb.3.while.end:
-    %eax = COPY %10
-    RET 0, killed %eax
-
-...