Remove br i1 undef in LoopStrengthReduce directory

Author: leewei05

llvm/test/Transforms/LoopStrengthReduce/2011-10-14-IntPtr.ll

@@ -8,16 +8,16 @@ target triple = "x86_64-apple-darwin"
 ; CHECK-LABEL: @test(
 ; CHECK: phi
 ; CHECK-NOT: phi
-define void @test(i32 %rowStride) ssp align 2 {
+define void @test(i32 %rowStride, i1 %arg) ssp align 2 {
 entry:
-  %cond = select i1 undef, i32 %rowStride, i32 4
+  %cond = select i1 %arg, i32 %rowStride, i32 4
   br label %for.end
 
 for.end.critedge:                                 ; preds = %for.end
   br label %for.end
 
 for.end:                                          ; preds = %for.end.critedge, %entry
-  br i1 undef, label %for.body83, label %for.end.critedge
+  br i1 %arg, label %for.body83, label %for.end.critedge
 
 for.body83:                                       ; preds = %for.body83, %for.end
   %ptr.0157 = phi ptr [ %add.ptr96, %for.body83 ], [ null, %for.end ]

llvm/test/Transforms/LoopStrengthReduce/2011-12-19-PostincQuadratic.ll

@@ -39,7 +39,7 @@ for.body7:
   %bf.072 = phi i32 [ %t1, %for.body7 ], [ 0, %for.cond.preheader ]
   %t1 = add i32 %bf.072, %indvars.iv77
   %indvars.iv.next78 = add i32 %indvars.iv77, 1
-  br i1 undef, label %for.body43, label %for.body7
+  br i1 true, label %for.body43, label %for.body7
 
 for.body43:
   %bf.459 = phi i32 [ %inc44, %for.body43 ], [ %t1, %for.body7 ]

llvm/test/Transforms/LoopStrengthReduce/2013-01-14-ReuseCast.ll

@@ -15,23 +15,23 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 ; CHECK-NOT: = ptrtoint ptr undef to i64
 ; CHECK: .lr.ph
 ; CHECK: ret void
-define void @VerifyDiagnosticConsumerTest() unnamed_addr nounwind uwtable align 2 {
+define void @VerifyDiagnosticConsumerTest(i1 %arg) unnamed_addr nounwind uwtable align 2 {
 bb:
   %tmp3 = call ptr @getCharData() nounwind
   %tmp4 = call ptr @getCharData() nounwind
   %tmp5 = ptrtoint ptr %tmp4 to i64
   %tmp6 = ptrtoint ptr %tmp3 to i64
   %tmp7 = sub i64 %tmp5, %tmp6
-  br i1 undef, label %bb87, label %.preheader
+  br i1 false, label %bb87, label %.preheader
 
 .preheader:                                       ; preds = %bb10, %bb
-  br i1 undef, label %_ZNK4llvm9StringRef4findEcm.exit42.thread, label %bb10
+  br i1 false, label %_ZNK4llvm9StringRef4findEcm.exit42.thread, label %bb10
 
 bb10:                                             ; preds = %.preheader
-  br i1 undef, label %_ZNK4llvm9StringRef4findEcm.exit42, label %.preheader
+  br i1 true, label %_ZNK4llvm9StringRef4findEcm.exit42, label %.preheader
 
 _ZNK4llvm9StringRef4findEcm.exit42:               ; preds = %bb10
-  br i1 undef, label %_ZNK4llvm9StringRef4findEcm.exit42.thread, label %.lr.ph
+  br i1 false, label %_ZNK4llvm9StringRef4findEcm.exit42.thread, label %.lr.ph
 
 _ZNK4llvm9StringRef4findEcm.exit42.thread:        ; preds = %_ZNK4llvm9StringRef4findEcm.exit42, %.preheader
   unreachable
@@ -48,7 +48,7 @@ _ZNK4llvm9StringRef4findEcm.exit._crit_edge:      ; preds = %bb61, %_ZNK4llvm9St
 
 bb36:                                             ; preds = %_ZNK4llvm9StringRef4findEcm.exit.loopexit, %.lr.ph
   %loc.063 = phi i64 [ undef, %.lr.ph ], [ %i.0.i, %_ZNK4llvm9StringRef4findEcm.exit.loopexit ]
-  switch i8 undef, label %bb57 [
+  switch i8 10, label %bb57 [
     i8 10, label %bb48
     i8 13, label %bb48
   ]
@@ -73,7 +73,7 @@ bb63:                                             ; preds = %bb61
   %tmp64 = getelementptr inbounds i8, ptr %tmp3, i64 %i.0.i
   %tmp65 = load i8, ptr %tmp64, align 1
   %tmp67 = add i64 %i.0.i, 1
-  br i1 undef, label %_ZNK4llvm9StringRef4findEcm.exit.loopexit, label %bb61
+  br i1 %arg, label %_ZNK4llvm9StringRef4findEcm.exit.loopexit, label %bb61
 
 bb87:                                             ; preds = %bb
   ret void

llvm/test/Transforms/LoopStrengthReduce/AArch64/pr47329.ll

@@ -59,10 +59,10 @@ for.body:
   br i1 false, label %loopexit, label %for.body
 }
 
-define protected amdgpu_kernel void @baseregtest(i32 %n, i32 %lda) local_unnamed_addr {
+define protected amdgpu_kernel void @baseregtest(i32 %n, i32 %lda, i1 %arg) local_unnamed_addr {
 ; CHECK-LABEL: @baseregtest(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    br i1 undef, label [[EXIT:%.*]], label [[IF_END:%.*]]
+; CHECK-NEXT:    br i1 %arg, label [[EXIT:%.*]], label [[IF_END:%.*]]
 ; CHECK:       if.end:
 ; CHECK-NEXT:    [[TMP0:%.*]] = tail call i32 @foo()
 ; CHECK-NEXT:    [[TMP1:%.*]] = shl i32 [[TMP0]], 3
@@ -86,7 +86,7 @@ define protected amdgpu_kernel void @baseregtest(i32 %n, i32 %lda) local_unnamed
 ; CHECK-NEXT:    ret void
 ;
 entry:
-  br i1 undef, label %exit, label %if.end
+  br i1 %arg, label %exit, label %if.end
 
 if.end:
   %0 = tail call i32 @foo()

llvm/test/Transforms/LoopStrengthReduce/AMDGPU/lsr-invalid-ptr-extend.ll

@@ -3,7 +3,7 @@
 @array = external addrspace(4) constant [32 x [800 x i32]], align 4
 
 ; GCN-LABEL: {{^}}test_lsr_voidty:
-define amdgpu_kernel void @test_lsr_voidty() {
+define amdgpu_kernel void @test_lsr_voidty(i1 %arg) {
 entry:
   br label %for.body
 
@@ -32,5 +32,5 @@ for.body.i:                               ; preds = %for.body.i, %for.body
   %reorder_shuffle2 = shufflevector <4 x i32> %tmp5, <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
   %tmp6 = select <4 x i1> undef, <4 x i32> zeroinitializer, <4 x i32> %reorder_shuffle2
   %inc14 = add nuw nsw i32 %ij, 4
-  br i1 undef, label %for.body, label %for.body.i
+  br i1 %arg, label %for.body, label %for.body.i
 }

llvm/test/Transforms/LoopStrengthReduce/AMDGPU/lsr-void-inseltpoison.ll

@@ -3,7 +3,7 @@
 @array = external addrspace(4) constant [32 x [800 x i32]], align 4
 
 ; GCN-LABEL: {{^}}test_lsr_voidty:
-define amdgpu_kernel void @test_lsr_voidty() {
+define amdgpu_kernel void @test_lsr_voidty(i1 %arg) {
 entry:
   br label %for.body
 
@@ -32,5 +32,5 @@ for.body.i:                               ; preds = %for.body.i, %for.body
   %reorder_shuffle2 = shufflevector <4 x i32> %tmp5, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
   %tmp6 = select <4 x i1> undef, <4 x i32> zeroinitializer, <4 x i32> %reorder_shuffle2
   %inc14 = add nuw nsw i32 %ij, 4
-  br i1 undef, label %for.body, label %for.body.i
+  br i1 %arg, label %for.body, label %for.body.i
 }

llvm/test/Transforms/LoopStrengthReduce/AMDGPU/lsr-void.ll

@@ -48,7 +48,7 @@ bb1:                                              ; preds = %bb17, %bb
   br label %bb4
 
 bb4:                                              ; preds = %bb1
-  br i1 undef, label %bb8, label %bb5
+  br i1 false, label %bb8, label %bb5
 
 bb5:                                              ; preds = %bb4
   unreachable

llvm/test/Transforms/LoopStrengthReduce/AMDGPU/preserve-addrspace-assert.ll

@@ -4,14 +4,14 @@
 ; not create an Add Reccurence Expression if not all
 ; its operands are loop invariants.
 
-define void @add_rec_expr() {
+define void @add_rec_expr(i1 %arg) {
 entry:
   br label %loop0
 
 loop0:
   %c.0 = phi i32 [ 0, %entry ], [ %inc.0, %loop0 ]
   %inc.0 = add nuw i32 %c.0, 1
-  br i1 undef, label %loop0, label %bb1
+  br i1 %arg, label %loop0, label %bb1
 
 bb1:
   %mul.0 = mul i32 %c.0, %c.0

llvm/test/Transforms/LoopStrengthReduce/ARM/addrec-is-loop-invariant.ll

@@ -58,7 +58,7 @@ bb:
 bb3:                                              ; preds = %bb18, %bb
   %i4 = phi i64 [ %i20, %bb18 ], [ 0, %bb ]
   %i5 = phi i64 [ %i21, %bb18 ], [ 1, %bb ]
-  br i1 undef, label %bb22, label %bb9
+  br i1 true, label %bb22, label %bb9
 
 bb9:                                              ; preds = %bb9, %bb3
   %i10 = phi i64 [ 0, %bb3 ], [ %i16, %bb9 ]
@@ -70,7 +70,7 @@ bb9:                                              ; preds = %bb9, %bb3
   br i1 true, label %bb17, label %bb9
 
 bb17:                                             ; preds = %bb9
-  br i1 undef, label %bb18, label %bb22
+  br i1 false, label %bb18, label %bb22
 
 bb18:                                             ; preds = %bb17
   %i19 = add i64 undef, %i4