[llvm] r274332 - Revert "add tests for bugs fixed by the GVN hoist pass"

[Duncan P. N. Exon Smith via llvm-commits]

Author: dexonsmith
Date: Thu Jun 30 23:55:13 2016
New Revision: 274332

URL: http://llvm.org/viewvc/llvm-project?rev=274332&view=rev
Log:
Revert "add tests for bugs fixed by the GVN hoist pass"

This reverts commit r274327 since the tests fail.  E.g.:
  http://lab.llvm.org:8011/builders/clang-x86_64-linux-selfhost-modules/builds/17240

It looks like this commit is building on r274305, but that commit caused
a miscompile and was reverted in r274320.

Removed:
    llvm/trunk/test/Transforms/GVN/hoist-pr20242.ll
    llvm/trunk/test/Transforms/GVN/hoist-pr22005.ll

Removed: llvm/trunk/test/Transforms/GVN/hoist-pr20242.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVN/hoist-pr20242.ll?rev=274331&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/GVN/hoist-pr20242.ll (original)
+++ llvm/trunk/test/Transforms/GVN/hoist-pr20242.ll (removed)
@@ -1,74 +0,0 @@
-; RUN: opt -gvn-hoist -S < %s | FileCheck %s
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-; Check that all "or" expressions are hoisted.
-; CHECK-LABEL: @encode
-; CHECK: or i32
-; CHECK-NOT: or i32
-
-define i8* @encode(i8* %p, i32 %v) {
-entry:
-  %p.addr = alloca i8*, align 8
-  %v.addr = alloca i32, align 4
-  store i8* %p, i8** %p.addr, align 8
-  store i32 %v, i32* %v.addr, align 4
-  %0 = load i32, i32* %v.addr, align 4
-  %cmp = icmp ult i32 %0, 23
-  br i1 %cmp, label %if.then, label %if.else
-
-if.then:                                          ; preds = %entry
-  %1 = load i32, i32* %v.addr, align 4
-  %or = or i32 %1, 128
-  %conv = trunc i32 %or to i8
-  %2 = load i8*, i8** %p.addr, align 8
-  %incdec.ptr = getelementptr inbounds i8, i8* %2, i32 1
-  store i8* %incdec.ptr, i8** %p.addr, align 8
-  store i8 %conv, i8* %2, align 1
-  br label %if.end15
-
-if.else:                                          ; preds = %entry
-  %3 = load i32, i32* %v.addr, align 4
-  %cmp1 = icmp ult i32 %3, 42
-  br i1 %cmp1, label %if.then3, label %if.else9
-
-if.then3:                                         ; preds = %if.else
-  %4 = load i32, i32* %v.addr, align 4
-  %or4 = or i32 %4, 128
-  %conv5 = trunc i32 %or4 to i8
-  %5 = load i8*, i8** %p.addr, align 8
-  %incdec.ptr6 = getelementptr inbounds i8, i8* %5, i32 1
-  store i8* %incdec.ptr6, i8** %p.addr, align 8
-  store i8 %conv5, i8* %5, align 1
-  %6 = load i32, i32* %v.addr, align 4
-  %conv7 = trunc i32 %6 to i8
-  %7 = load i8*, i8** %p.addr, align 8
-  %incdec.ptr8 = getelementptr inbounds i8, i8* %7, i32 1
-  store i8* %incdec.ptr8, i8** %p.addr, align 8
-  store i8 %conv7, i8* %7, align 1
-  br label %if.end
-
-if.else9:                                         ; preds = %if.else
-  %8 = load i32, i32* %v.addr, align 4
-  %or10 = or i32 %8, 128
-  %conv11 = trunc i32 %or10 to i8
-  %9 = load i8*, i8** %p.addr, align 8
-  %incdec.ptr12 = getelementptr inbounds i8, i8* %9, i32 1
-  store i8* %incdec.ptr12, i8** %p.addr, align 8
-  store i8 %conv11, i8* %9, align 1
-  %10 = load i32, i32* %v.addr, align 4
-  %shr = lshr i32 %10, 7
-  %conv13 = trunc i32 %shr to i8
-  %11 = load i8*, i8** %p.addr, align 8
-  %incdec.ptr14 = getelementptr inbounds i8, i8* %11, i32 1
-  store i8* %incdec.ptr14, i8** %p.addr, align 8
-  store i8 %conv13, i8* %11, align 1
-  br label %if.end
-
-if.end:                                           ; preds = %if.else9, %if.then3
-  br label %if.end15
-
-if.end15:                                         ; preds = %if.end, %if.then
-  %12 = load i8*, i8** %p.addr, align 8
-  ret i8* %12
-}

Removed: llvm/trunk/test/Transforms/GVN/hoist-pr22005.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVN/hoist-pr22005.ll?rev=274331&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/GVN/hoist-pr22005.ll (original)
+++ llvm/trunk/test/Transforms/GVN/hoist-pr22005.ll (removed)
@@ -1,30 +0,0 @@
-; RUN: opt -gvn-hoist -S < %s | FileCheck %s
-target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-; Check that all "sub" expressions are hoisted.
-; CHECK-LABEL: @fun
-; CHECK: sub i64
-; CHECK-NOT: sub i64
-
-define i64 @fun(i8* %out, i8* %end) {
-  %1 = icmp ult i8* %out, %end
-  br i1 %1, label %2, label %6
-
-; <label>:2                                       ; preds = %0
-  %3 = ptrtoint i8* %end to i64
-  %4 = ptrtoint i8* %out to i64
-  %5 = sub i64 %3, %4
-  br label %10
-
-; <label>:6                                       ; preds = %0
-  %7 = ptrtoint i8* %out to i64
-  %8 = ptrtoint i8* %end to i64
-  %9 = sub i64 %8, %7
-  br label %10
-
-; <label>:10                                      ; preds = %6, %2
-  %.in = phi i64 [ %5, %2 ], [ %9, %6 ]
-  %11 = add i64 %.in, 257
-  ret i64 %11
-}