CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / or-address.ll

diff --git a/test/CodeGen/X86/or-address.ll b/test/CodeGen/X86/or-address.ll
index df0e1f936a3c506b8995f20b34f739a244e03a74..16b0aa60b689dca5dc842e52078c18b8f4faf0b1 100644 (file)
--- a/test/CodeGen/X86/or-address.ll
+++ b/test/CodeGen/X86/or-address.ll
@@ -4,10 +4,10 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 target triple = "x86_64-apple-darwin10.3"
 
 
-; CHECK:       movl    %{{.*}},   (%rdi,%rdx,4)
-; CHECK:       movl    %{{.*}},  8(%rdi,%rdx,4)
-; CHECK:       movl    %{{.*}},  4(%rdi,%rdx,4)
-; CHECK:       movl    %{{.*}}, 12(%rdi,%rdx,4)
+; CHECK:       movl    %{{.*}},   (%rdi,[[R0:.+]],4)
+; CHECK:       movl    %{{.*}},  8(%rdi,[[R0]],4)
+; CHECK:       movl    %{{.*}},  4(%rdi,[[R0]],4)
+; CHECK:       movl    %{{.*}}, 12(%rdi,[[R0]],4)
 
 define void @test(i32* nocapture %array, i32 %r0) nounwind ssp noredzone {
 bb.nph:
@@ -26,16 +26,16 @@ bb:                                               ; preds = %bb, %bb.nph
   %4 = add i8 %3, %iftmp.0.0                      ; <i8> [#uses=1]
   %5 = shl i8 %4, 2                               ; <i8> [#uses=1]
   %6 = zext i8 %5 to i64                          ; <i64> [#uses=4]
-  %7 = getelementptr inbounds i32* %array, i64 %6 ; <i32*> [#uses=1]
+  %7 = getelementptr inbounds i32, i32* %array, i64 %6 ; <i32*> [#uses=1]
   store i32 %r0, i32* %7, align 4
   %8 = or i64 %6, 2                               ; <i64> [#uses=1]
-  %9 = getelementptr inbounds i32* %array, i64 %8 ; <i32*> [#uses=1]
+  %9 = getelementptr inbounds i32, i32* %array, i64 %8 ; <i32*> [#uses=1]
   store i32 %r0, i32* %9, align 4
   %10 = or i64 %6, 1                              ; <i64> [#uses=1]
-  %11 = getelementptr inbounds i32* %array, i64 %10 ; <i32*> [#uses=1]
+  %11 = getelementptr inbounds i32, i32* %array, i64 %10 ; <i32*> [#uses=1]
   store i32 %r0, i32* %11, align 4
   %12 = or i64 %6, 3                              ; <i64> [#uses=1]
-  %13 = getelementptr inbounds i32* %array, i64 %12 ; <i32*> [#uses=1]
+  %13 = getelementptr inbounds i32, i32* %array, i64 %12 ; <i32*> [#uses=1]
   store i32 %r0, i32* %13, align 4
   %14 = add nsw i8 %j.010, 1                      ; <i8> [#uses=2]
   %15 = add i8 %iftmp.0.0, 1                      ; <i8> [#uses=1]
@@ -45,3 +45,46 @@ bb:                                               ; preds = %bb, %bb.nph
 return:                                           ; preds = %bb
   ret void
 }
+
+; CHECK-LABEL: test1:
+; CHECK:       movl    %{{.*}},   (%[[RDI:...]],%[[RCX:...]],4)
+; CHECK:       movl    %{{.*}},  8(%[[RDI]],%[[RCX]],4)
+; CHECK:       movl    %{{.*}},  4(%[[RDI]],%[[RCX]],4)
+; CHECK:       movl    %{{.*}}, 12(%[[RDI]],%[[RCX]],4)
+
+define void @test1(i32* nocapture %array, i32 %r0, i8 signext %k, i8 signext %i0) nounwind {
+bb.nph:
+  br label %for.body
+
+for.body:                                         ; preds = %for.body, %bb.nph
+  %j.065 = phi i8 [ 0, %bb.nph ], [ %inc52, %for.body ] ; <i8> [#uses=1]
+  %i0.addr.064 = phi i8 [ %i0, %bb.nph ], [ %add, %for.body ] ; <i8> [#uses=3]
+  %k.addr.163 = phi i8 [ %k, %bb.nph ], [ %inc.k.addr.1, %for.body ] ; <i8> [#uses=1]
+  %cmp5 = icmp slt i8 %i0.addr.064, 4             ; <i1> [#uses=1]
+  %cond = select i1 %cmp5, i8 %i0.addr.064, i8 0  ; <i8> [#uses=2]
+  %cmp12 = icmp eq i8 %i0.addr.064, 4             ; <i1> [#uses=1]
+  %inc = zext i1 %cmp12 to i8                     ; <i8> [#uses=1]
+  %inc.k.addr.1 = add i8 %inc, %k.addr.163        ; <i8> [#uses=2]
+  %mul = shl i8 %cond, 2                          ; <i8> [#uses=1]
+  %mul22 = shl i8 %inc.k.addr.1, 4                ; <i8> [#uses=1]
+  %add23 = add i8 %mul22, %mul                    ; <i8> [#uses=1]
+  %idxprom = zext i8 %add23 to i64                ; <i64> [#uses=4]
+  %arrayidx = getelementptr inbounds i32, i32* %array, i64 %idxprom ; <i32*> [#uses=1]
+  store i32 %r0, i32* %arrayidx
+  %add3356 = or i64 %idxprom, 2                   ; <i64> [#uses=1]
+  %arrayidx36 = getelementptr inbounds i32, i32* %array, i64 %add3356 ; <i32*> [#uses=1]
+  store i32 %r0, i32* %arrayidx36
+  %add4058 = or i64 %idxprom, 1                   ; <i64> [#uses=1]
+  %arrayidx43 = getelementptr inbounds i32, i32* %array, i64 %add4058 ; <i32*> [#uses=1]
+  store i32 %r0, i32* %arrayidx43
+  %add4760 = or i64 %idxprom, 3                   ; <i64> [#uses=1]
+  %arrayidx50 = getelementptr inbounds i32, i32* %array, i64 %add4760 ; <i32*> [#uses=1]
+  store i32 %r0, i32* %arrayidx50
+  %inc52 = add nsw i8 %j.065, 1                   ; <i8> [#uses=2]
+  %add = add i8 %cond, 1                          ; <i8> [#uses=1]
+  %exitcond = icmp eq i8 %inc52, 32               ; <i1> [#uses=1]
+  br i1 %exitcond, label %for.end, label %for.body
+
+for.end:                                          ; preds = %for.body
+  ret void
+}