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Unified Diff: test/NaCl/Bitcode/bcdist.ll

Issue 939073008: Rebased PNaCl localmods in LLVM to 223109 (Closed)
Patch Set: undo localmod Created 5 years, 10 months ago
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Index: test/NaCl/Bitcode/bcdist.ll
diff --git a/test/NaCl/Bitcode/bcdist.ll b/test/NaCl/Bitcode/bcdist.ll
new file mode 100644
index 0000000000000000000000000000000000000000..ac002888f620567b3d81c59ce928b35600bf81a3
--- /dev/null
+++ b/test/NaCl/Bitcode/bcdist.ll
@@ -0,0 +1,392 @@
+; Simple test to show that we don't break distribution counts.
+
+; RUN: llvm-as < %s | pnacl-freeze | pnacl-bcanalyzer --order-blocks-by-id \
+; RUN: | FileCheck %s
+
+@bytes7 = internal global [7 x i8] c"abcdefg"
+
+@ptr_to_ptr = internal global i32 ptrtoint (i32* @ptr to i32)
+
+@ptr_to_func = internal global i32 ptrtoint (void ()* @func to i32)
+
+@compound = internal global <{ [3 x i8], i32 }> <{ [3 x i8] c"foo", i32 ptrtoint (void ()* @func to i32) }>
+
+@ptr = internal global i32 ptrtoint ([7 x i8]* @bytes7 to i32)
+
+@addend_ptr = internal global i32 add (i32 ptrtoint (i32* @ptr to i32), i32 1)
+
+@addend_negative = internal global i32 add (i32 ptrtoint (i32* @ptr to i32), i32 -1)
+
+@addend_array1 = internal global i32 add (i32 ptrtoint ([7 x i8]* @bytes7 to i32), i32 1)
+
+@addend_array2 = internal global i32 add (i32 ptrtoint ([7 x i8]* @bytes7 to i32), i32 7)
+
+@addend_array3 = internal global i32 add (i32 ptrtoint ([7 x i8]* @bytes7 to i32), i32 9)
+
+@addend_struct1 = internal global i32 add (i32 ptrtoint (<{ [3 x i8], i32 }>* @compound to i32), i32 1)
+
+@addend_struct2 = internal global i32 add (i32 ptrtoint (<{ [3 x i8], i32 }>* @compound to i32), i32 4)
+
+@ptr_to_func_align = internal global i32 ptrtoint (void ()* @func to i32), align 8
+
+@char = internal constant [1 x i8] c"0"
+
+@short = internal constant [2 x i8] zeroinitializer
+
+@bytes = internal global [4 x i8] c"abcd"
+
+declare i32 @bar(i32)
+
+define void @func() {
+ ret void
+}
+
+define void @AllocCastSimple() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint i8* %1 to i32
+ %3 = bitcast [4 x i8]* @bytes to i32*
+ store i32 %2, i32* %3, align 1
+ ret void
+}
+
+define void @AllocCastSimpleReversed() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint i8* %1 to i32
+ %3 = bitcast [4 x i8]* @bytes to i32*
+ store i32 %2, i32* %3, align 1
+ ret void
+}
+
+define void @AllocCastDelete() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = alloca i8, i32 4, align 8
+ ret void
+}
+
+define void @AllocCastOpt() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint i8* %1 to i32
+ %3 = bitcast [4 x i8]* @bytes to i32*
+ store i32 %2, i32* %3, align 1
+ store i32 %2, i32* %3, align 1
+ ret void
+}
+
+define void @AllocBitcast(i32) {
+ %2 = alloca i8, i32 4, align 8
+ %3 = add i32 %0, 1
+ %4 = ptrtoint i8* %2 to i32
+ %5 = bitcast [4 x i8]* @bytes to i32*
+ store i32 %4, i32* %5, align 1
+ ret void
+}
+
+define void @StoreGlobal() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint [4 x i8]* @bytes to i32
+ %3 = bitcast i8* %1 to i32*
+ store i32 %2, i32* %3, align 1
+ ret void
+}
+
+define void @StoreGlobalCastsReversed() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint [4 x i8]* @bytes to i32
+ %3 = bitcast i8* %1 to i32*
+ store i32 %2, i32* %3, align 1
+ ret void
+}
+
+define i32 @StoreGlobalCastPtr2Int() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint [4 x i8]* @bytes to i32
+ %3 = bitcast i8* %1 to i32*
+ store i32 %2, i32* %3, align 1
+ ret i32 0
+}
+
+define void @CastAddAlloca() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = add i32 1, 2
+ %3 = ptrtoint i8* %1 to i32
+ %4 = add i32 %3, 2
+ %5 = add i32 1, %3
+ %6 = add i32 %3, %3
+ ret void
+}
+
+define void @CastAddGlobal() {
+ %1 = add i32 1, 2
+ %2 = ptrtoint [4 x i8]* @bytes to i32
+ %3 = add i32 %2, 2
+ %4 = add i32 1, %2
+ %5 = add i32 %2, %2
+ ret void
+}
+
+define void @CastBinop() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint i8* %1 to i32
+ %3 = ptrtoint [4 x i8]* @bytes to i32
+ %4 = sub i32 %2, %3
+ %5 = mul i32 %2, %3
+ %6 = udiv i32 %2, %3
+ %7 = urem i32 %2, %3
+ %8 = srem i32 %2, %3
+ %9 = shl i32 %2, %3
+ %10 = lshr i32 %2, %3
+ %11 = ashr i32 %2, %3
+ %12 = and i32 %2, %3
+ %13 = or i32 %2, %3
+ %14 = xor i32 %2, %3
+ ret void
+}
+
+define void @TestSavedPtrToInt() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = ptrtoint i8* %1 to i32
+ %3 = add i32 %2, 0
+ %4 = call i32 @bar(i32 %2)
+ ret void
+}
+
+define void @CastSelect() {
+ %1 = alloca i8, i32 4, align 8
+ %2 = select i1 true, i32 1, i32 2
+ %3 = ptrtoint i8* %1 to i32
+ %4 = select i1 true, i32 %3, i32 2
+ %5 = ptrtoint [4 x i8]* @bytes to i32
+ %6 = select i1 true, i32 1, i32 %5
+ %7 = select i1 true, i32 %3, i32 %5
+ %8 = select i1 true, i32 %5, i32 %3
+ ret void
+}
+
+define void @PhiBackwardRefs(i1) {
+ %2 = alloca i8, i32 4, align 8
+ %3 = alloca i8, i32 4, align 8
+ br i1 %0, label %true, label %false
+
+true: ; preds = %1
+ %4 = bitcast i8* %2 to i32*
+ %5 = load i32* %4
+ %6 = ptrtoint i8* %3 to i32
+ br label %merge
+
+false: ; preds = %1
+ %7 = bitcast i8* %2 to i32*
+ %8 = load i32* %7
+ %9 = ptrtoint i8* %3 to i32
+ br label %merge
+
+merge: ; preds = %false, %true
+ %10 = phi i32 [ %6, %true ], [ %9, %false ]
+ %11 = phi i32 [ %5, %true ], [ %8, %false ]
+ ret void
+}
+
+define void @PhiForwardRefs(i1) {
+ br label %start
+
+merge: ; preds = %false, %true
+ %2 = phi i32 [ %11, %true ], [ %11, %false ]
+ %3 = phi i32 [ %5, %true ], [ %7, %false ]
+ ret void
+
+true: ; preds = %start
+ %4 = inttoptr i32 %9 to i32*
+ %5 = load i32* %4
+ br label %merge
+
+false: ; preds = %start
+ %6 = inttoptr i32 %9 to i32*
+ %7 = load i32* %6
+ br label %merge
+
+start: ; preds = %1
+ %8 = alloca i8, i32 4, align 8
+ %9 = ptrtoint i8* %8 to i32
+ %10 = alloca i8, i32 4, align 8
+ %11 = ptrtoint i8* %10 to i32
+ br i1 %0, label %true, label %false
+}
+
+define void @PhiMergeCast(i1) {
+ %2 = alloca i8, i32 4, align 8
+ %3 = alloca i8, i32 4, align 8
+ br i1 %0, label %true, label %false
+
+true: ; preds = %1
+ %4 = bitcast i8* %2 to i32*
+ %5 = load i32* %4
+ %6 = ptrtoint i8* %3 to i32
+ %7 = add i32 %5, %6
+ br label %merge
+
+false: ; preds = %1
+ %8 = bitcast i8* %2 to i32*
+ %9 = load i32* %8
+ %10 = ptrtoint i8* %3 to i32
+ br label %merge
+
+merge: ; preds = %false, %true
+ %11 = phi i32 [ %6, %true ], [ %10, %false ]
+ %12 = phi i32 [ %5, %true ], [ %9, %false ]
+ ret void
+}
+
+define void @LongReachingCasts(i1) {
+ %2 = alloca i8, i32 4, align 8
+ br i1 %0, label %Split1, label %Split2
+
+Split1: ; preds = %1
+ br i1 %0, label %b1, label %b2
+
+Split2: ; preds = %1
+ br i1 %0, label %b3, label %b4
+
+b1: ; preds = %Split1
+ %3 = ptrtoint i8* %2 to i32
+ %4 = bitcast [4 x i8]* @bytes to i32*
+ store i32 %3, i32* %4, align 1
+ store i32 %3, i32* %4, align 1
+ ret void
+
+b2: ; preds = %Split1
+ %5 = ptrtoint i8* %2 to i32
+ %6 = bitcast [4 x i8]* @bytes to i32*
+ store i32 %5, i32* %6, align 1
+ store i32 %5, i32* %6, align 1
+ ret void
+
+b3: ; preds = %Split2
+ %7 = ptrtoint i8* %2 to i32
+ %8 = bitcast [4 x i8]* @bytes to i32*
+ store i32 %7, i32* %8, align 1
+ store i32 %7, i32* %8, align 1
+ ret void
+
+b4: ; preds = %Split2
+ %9 = ptrtoint i8* %2 to i32
+ %10 = bitcast [4 x i8]* @bytes to i32*
+ store i32 %9, i32* %10, align 1
+ store i32 %9, i32* %10, align 1
+ ret void
+}
+
+define void @SwitchVariable(i32) {
+ switch i32 %0, label %l1 [
+ i32 1, label %l2
+ i32 2, label %l2
+ i32 4, label %l3
+ i32 5, label %l3
+ ]
+ ; No predecessors!
+ br label %end
+
+l1: ; preds = %1
+ br label %end
+
+l2: ; preds = %1, %1
+ br label %end
+
+l3: ; preds = %1, %1
+ br label %end
+
+end: ; preds = %l3, %l2, %l1, %2
+ ret void
+}
+
+
+; CHECK: # Toplevel Blocks: 1
+
+; CHECK: Block Histogram (8 elements):
+
+; CHECK: %File Count %Count # Bits Bits/Elmt Block
+; CHECK-NEXT: {{.*}} 1 {{.*}} {{.*}} {{.*}} BLOCKINFO_BLOCK
+; CHECK-NEXT: {{.*}} 1 {{.*}} {{.*}} {{.*}} MODULE_BLOCK
+
+; CHECK: Subblocks (5 elements):
+
+; CHECK: Count %Count Subblock
+; CHECK-NEXT: 19 82.61 FUNCTION_BLOCK
+; CHECK-NEXT: 1 4.35 GLOBALVAR_BLOCK
+; CHECK-NEXT: 1 4.35 TYPE_BLOCK_ID
+; CHECK-NEXT: 1 4.35 VALUE_SYMTAB
+; CHECK-NEXT: 1 4.35 BLOCKINFO_BLOCK
+
+; CHECK: Record Histogram: (2 elements):
+
+; CHECK: Count %Count # Bits Bits/Elmt % Abv Record Kind
+; CHECK-NEXT: 20 95.24 {{.*}} {{.*}} FUNCTION
+; CHECK-NEXT: 1 4.76 {{.*}} {{.*}} VERSION
+
+; CHECK: Block Histogram (continued)
+; CHECK-NEXT: %File Count %Count # Bits Bits/Elmt Block
+; CHECK-NEXT: {{.*}} 17 {{.*}} {{.*}} {{.*}} CONSTANTS_BLOCK
+
+; CHECK: Record Histogram: (2 elements):
+
+; CHECK: Count %Count # Bits Bits/Elmt % Abv Record Kind
+; CHECK-NEXT: 26 59.09 {{.*}} {{.*}} {{.*}} INTEGER
+; CHECK-NEXT: 18 40.91 {{.*}} {{.*}} {{.*}} SETTYPE
+
+; CHECK: Block Histogram (continued)
+; CHECK-NEXT: %File Count %Count # Bits Bits/Elmt Block
+; CHECK-NEXT: {{.*}} 19 {{.*}} {{.*}} {{.*}} FUNCTION_BLOCK
+
+; CHECK: Subblocks (1 elements):
+
+; CHECK: Count %Count Subblock
+; CHECK-NEXT: 17 100.00 CONSTANTS_BLOCK
+
+; CHECK: Record Histogram: (12 elements):
+
+; CHECK: Count %Count # Bits Bits/Elmt % Abv Record Kind
+; CHECK-NEXT: 22 15.83 {{.*}} {{.*}} {{.*}} INST_RET
+; CHECK-NEXT: 22 15.83 {{.*}} {{.*}} {{.*}} INST_BINOP
+; CHECK-NEXT: 20 14.39 {{.*}} {{.*}} INST_ALLOCA
+; CHECK-NEXT: 19 13.67 {{.*}} {{.*}} DECLAREBLOCKS
+; CHECK-NEXT: 17 12.23 {{.*}} {{.*}} INST_BR
+; CHECK-NEXT: 16 11.51 {{.*}} {{.*}} {{.*}} INST_STORE
+; CHECK-NEXT: 6 4.32 {{.*}} {{.*}} {{.*}} INST_LOAD
+; CHECK-NEXT: 6 4.32 {{.*}} {{.*}} INST_PHI
+; CHECK-NEXT: 5 3.60 {{.*}} {{.*}} INST_VSELECT
+; CHECK-NEXT: 4 2.88 {{.*}} {{.*}} {{.*}} FORWARDTYPEREF
+; CHECK-NEXT: 1 0.72 {{.*}} {{.*}} INST_CALL
+; CHECK-NEXT: 1 0.72 {{.*}} {{.*}} INST_SWITCH
+
+; CHECK: Block Histogram (continued)
+; CHECK-NEXT: %File Count %Count # Bits Bits/Elmt Block
+; CHECK-NEXT: {{.*}} 1 {{.*}} {{.*}} {{.*}} VALUE_SYMTAB
+
+; CHECK: Record Histogram: (1 elements):
+
+; CHECK: Count %Count # Bits Bits/Elmt % Abv Record Kind
+; CHECK-NEXT: 36 100.00 {{.*}} {{.*}} {{.*}} ENTRY
+
+; CHECK: Block Histogram (continued)
+; CHECK-NEXT: %File Count %Count # Bits Bits/Elmt Block
+; CHECK-NEXT: {{.*}} 1 {{.*}} {{.*}} {{.*}} TYPE_BLOCK_ID
+
+; CHECK: Record Histogram: (4 elements):
+
+; CHECK: Count %Count # Bits Bits/Elmt % Abv Record Kind
+; CHECK-NEXT: 5 50.00 {{.*}} {{.*}} {{.*}} FUNCTION
+; CHECK-NEXT: 3 30.00 {{.*}} {{.*}} INTEGER
+; CHECK-NEXT: 1 10.00 {{.*}} {{.*}} VOID
+; CHECK-NEXT: 1 10.00 {{.*}} {{.*}} NUMENTRY
+
+; CHECK: Block Histogram (continued)
+; CHECK-NEXT: %File Count %Count # Bits Bits/Elmt Block
+; CHECK-NEXT: {{.*}} 1 {{.*}} {{.*}} {{.*}} GLOBALVAR_BLOCK
+
+; CHECK: Record Histogram: (6 elements):
+
+; CHECK: Count %Count # Bits Bits/Elmt % Abv Record Kind
+; CHECK-NEXT: 16 45.71 {{.*}} {{.*}} {{.*}} VAR
+; CHECK-NEXT: 12 34.29 {{.*}} {{.*}} {{.*}} RELOC
+; CHECK-NEXT: 4 11.43 {{.*}} {{.*}} {{.*}} DATA
+; CHECK-NEXT: 1 2.86 {{.*}} {{.*}} COUNT
+; CHECK-NEXT: 1 2.86 {{.*}} {{.*}} {{.*}} ZEROFILL
+; CHECK-NEXT: 1 2.86 {{.*}} {{.*}} {{.*}} COMPOUND
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