[llvm-commits] [llvm] r51112 - in /llvm/trunk: lib/CodeGen/SelectionDAG/SelectionDAG.cpp test/CodeGen/X86/pr2326.ll

[Dan Gohman]

Author: djg
Date: Wed May 14 13:17:09 2008
New Revision: 51112

URL: http://llvm.org/viewvc/llvm-project?rev=51112&view=rev
Log:
When bit-twiddling CondCode values for integer comparisons produces
SETOEQ, is it does with (SETEQ & SETULE), map it to SETEQ.

Added:
    llvm/trunk/test/CodeGen/X86/pr2326.ll
Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=51112&r1=51111&r2=51112&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Wed May 14 13:17:09 2008
@@ -293,6 +293,7 @@
     switch (Result) {
     default: break;
     case ISD::SETUO : Result = ISD::SETFALSE; break;  // SETUGT & SETULT
+    case ISD::SETOEQ:                                 // SETEQ  & SETU[LG]E
     case ISD::SETUEQ: Result = ISD::SETEQ   ; break;  // SETUGE & SETULE
     case ISD::SETOLT: Result = ISD::SETULT  ; break;  // SETULT & SETNE
     case ISD::SETOGT: Result = ISD::SETUGT  ; break;  // SETUGT & SETNE

Added: llvm/trunk/test/CodeGen/X86/pr2326.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/pr2326.ll?rev=51112&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/X86/pr2326.ll (added)
+++ llvm/trunk/test/CodeGen/X86/pr2326.ll Wed May 14 13:17:09 2008
@@ -0,0 +1,24 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep sete
+; PR2326
+
+define i32 @func_59(i32 %p_60) nounwind  {
+entry:
+	%l_108 = alloca i32		; <i32*> [#uses=2]
+	%tmp15 = load i32* null, align 4		; <i32> [#uses=1]
+	%tmp16 = load i32* %l_108, align 4		; <i32> [#uses=1]
+	%tmp17 = icmp eq i32 %tmp15, %tmp16		; <i1> [#uses=1]
+	%tmp1718 = zext i1 %tmp17 to i8		; <i8> [#uses=1]
+	%tmp19 = load i32* null, align 4		; <i32> [#uses=1]
+	%tmp20 = load i32* %l_108, align 4		; <i32> [#uses=1]
+	%tmp21 = icmp ule i32 %tmp19, %tmp20		; <i1> [#uses=1]
+	%tmp2122 = zext i1 %tmp21 to i8		; <i8> [#uses=1]
+	%toBool23 = icmp ne i8 %tmp1718, 0		; <i1> [#uses=1]
+	%toBool24 = icmp ne i8 %tmp2122, 0		; <i1> [#uses=1]
+	%tmp25 = and i1 %toBool23, %toBool24		; <i1> [#uses=1]
+	%tmp2526 = zext i1 %tmp25 to i8		; <i8> [#uses=1]
+	%tmp252627 = zext i8 %tmp2526 to i32		; <i32> [#uses=1]
+	%tmp29 = call i32 (...)* @func_15( i32 %tmp252627, i32 0 ) nounwind 		; <i32> [#uses=0]
+	unreachable
+}
+
+declare i32 @func_15(...)