From: Cameron McInally <cameron.mcinally@nyu.edu>
Date: Tue, 15 Jul 2014 16:24:24 +0000 (+0000)
Subject: Revert r213070. It's breaking the build in MCELFStreamer::EmitInstToData(...).
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ef886879b6deab8d156575ad113d07d38cbfab30;p=oota-llvm.git

Revert r213070. It's breaking the build in MCELFStreamer::EmitInstToData(...).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213073 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td
index bbfa59f55f0..ca4f608a6b8 100644
--- a/lib/Target/X86/X86InstrCompiler.td
+++ b/lib/Target/X86/X86InstrCompiler.td
@@ -324,16 +324,10 @@ def : Pat<(sub GR64:$op, (and (i64 (X86setcc_c X86_COND_B, EFLAGS)), 1)),
           (SBB64ri8 GR64:$op, 0)>;
 
 // (sub OP, SETCC_CARRY) -> (adc OP, 0)
-def : Pat<(sub (add GR8:$op1, GR8:$op2), (i8 (X86setcc_c X86_COND_B, EFLAGS))),
-          (ADC8ri GR8:$op1, GR8:$op2)>;
 def : Pat<(sub GR8:$op, (i8 (X86setcc_c X86_COND_B, EFLAGS))),
           (ADC8ri GR8:$op, 0)>;
-def : Pat<(sub (add GR32:$op1, GR32:$op2), (i32 (X86setcc_c X86_COND_B, EFLAGS))),
-          (ADC32ri8 GR32:$op1, GR32:$op2)>;
 def : Pat<(sub GR32:$op, (i32 (X86setcc_c X86_COND_B, EFLAGS))),
           (ADC32ri8 GR32:$op, 0)>;
-def : Pat<(sub (add GR64:$op1, GR64:$op2), (i64 (X86setcc_c X86_COND_B, EFLAGS))),
-          (ADC64ri8 GR64:$op1, GR64:$op2)>;
 def : Pat<(sub GR64:$op, (i64 (X86setcc_c X86_COND_B, EFLAGS))),
           (ADC64ri8 GR64:$op, 0)>;
 
diff --git a/test/CodeGen/X86/add-of-carry-64.ll b/test/CodeGen/X86/add-of-carry-64.ll
deleted file mode 100644
index e26b77ee0d4..00000000000
--- a/test/CodeGen/X86/add-of-carry-64.ll
+++ /dev/null
@@ -1,32 +0,0 @@
-; RUN: llc < %s -march=x86-64 | FileCheck %s
-
-define i32 @testi32(i32 %x0, i32 %x1, i32 %y0, i32 %y1) {
-entry:
-  %uadd = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x0, i32 %y0)
-  %add1 = add i32 %y1, %x1
-  %cmp = extractvalue { i32, i1 } %uadd, 1
-  %conv2 = zext i1 %cmp to i32
-  %add3 = add i32 %add1, %conv2
-  ret i32 %add3
-; CHECK-LABEL: testi32:
-; CHECK: addl
-; CHECK-NEXT: adcl
-; CHECK: ret
-}
-
-define i64 @testi64(i64 %x0, i64 %x1, i64 %y0, i64 %y1) {
-entry:
-  %uadd = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %x0, i64 %y0)
-  %add1 = add i64 %y1, %x1
-  %cmp = extractvalue { i64, i1 } %uadd, 1
-  %conv2 = zext i1 %cmp to i64
-  %add3 = add i64 %add1, %conv2
-  ret i64 %add3
-; CHECK-LABEL: testi64:
-; CHECK: addq
-; CHECK-NEXT: adcq
-; CHECK: ret
-}
-
-declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone
-declare { i64, i1 } @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
diff --git a/test/CodeGen/X86/add-of-carry.ll b/test/CodeGen/X86/add-of-carry.ll
index 59a20e313d9..9c24be4289f 100644
--- a/test/CodeGen/X86/add-of-carry.ll
+++ b/test/CodeGen/X86/add-of-carry.ll
@@ -4,9 +4,9 @@
 define i32 @test1(i32 %sum, i32 %x) nounwind readnone ssp {
 entry:
 ; CHECK-LABEL: test1:
-; CHECK: cmpl %eax, %edx
+; CHECK: cmpl %ecx, %eax 
 ; CHECK-NOT: addl
-; CHECK: adcl %ecx, %eax
+; CHECK: adcl $0, %eax
   %add4 = add i32 %x, %sum
   %cmp = icmp ult i32 %add4, %x
   %inc = zext i1 %cmp to i32