| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -print-predicateinfo -analyze < %s 2>&1 | FileCheck %s |
| ; Don't insert predicate info for conditions with a single target. |
| @a = global i32 6, align 4 |
| @c = global i32 -1, align 4 |
| @e = common global i32 0, align 4 |
| @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 |
| @d = common global i32 0, align 4 |
| @b = common global [6 x i32] zeroinitializer, align 16 |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define i32 @main() { |
| ; CHECK-LABEL: @main( |
| ; CHECK-NEXT: store i32 6, i32* @e, align 4 |
| ; CHECK-NEXT: br label [[TMP1:%.*]] |
| ; CHECK: [[TMP2:%.*]] = load i32, i32* @d, align 4 |
| ; CHECK-NEXT: [[TMP3:%.*]] = sext i32 [[TMP2]] to i64 |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds [6 x i32], [6 x i32]* @b, i64 0, i64 [[TMP3]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP4]], align 4 |
| ; CHECK-NEXT: [[TMP6:%.*]] = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 [[TMP5]]) |
| ; CHECK-NEXT: [[TMP7:%.*]] = load i32, i32* @a, align 4 |
| ; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[TMP7]], 0 |
| ; CHECK-NEXT: br i1 [[TMP8]], label %thread-pre-split, label [[TMP9:%.*]] |
| ; CHECK: [[TMP10:%.*]] = load i32, i32* @e, align 4 |
| ; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i32 [[TMP10]], 0 |
| ; CHECK-NEXT: br i1 [[TMP11]], label [[TMP12:%.*]], label [[TMP12]] |
| ; CHECK: thread-pre-split: |
| ; CHECK-NEXT: [[DOTPR:%.*]] = load i32, i32* @e, align 4 |
| ; CHECK-NEXT: br label [[TMP12]] |
| ; CHECK: [[TMP13:%.*]] = phi i32 [ [[DOTPR]], %thread-pre-split ], [ [[TMP10]], [[TMP9]] ], [ [[TMP10]], [[TMP9]] ] |
| ; CHECK-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0 |
| ; CHECK-NEXT: br i1 [[TMP14]], label [[TMP15:%.*]], label [[TMP15]] |
| ; CHECK: br i1 [[TMP14]], label [[TMP16:%.*]], label [[TMP17:%.*]] |
| ; CHECK: br label [[TMP17]] |
| ; CHECK: [[DOT0:%.*]] = phi i32 [ 1, [[TMP16]] ], [ -1, [[TMP15]] ] |
| ; CHECK-NEXT: [[TMP18:%.*]] = and i32 [[DOT0]], 8693 |
| ; CHECK-NEXT: [[TMP19:%.*]] = load i32, i32* @c, align 4 |
| ; CHECK-NEXT: [[TMP20:%.*]] = xor i32 [[TMP18]], [[TMP19]] |
| ; CHECK-NEXT: [[TMP21:%.*]] = xor i32 [[TMP20]], -1 |
| ; CHECK-NEXT: store i32 [[TMP21]], i32* @d, align 4 |
| ; CHECK-NEXT: [[TMP22:%.*]] = icmp slt i32 [[TMP20]], -2 |
| ; CHECK-NEXT: br i1 [[TMP22]], label [[TMP1]], label [[TMP23:%.*]] |
| ; CHECK: ret i32 0 |
| ; |
| store i32 6, i32* @e, align 4 |
| br label %1 |
| |
| ; <label>:1: ; preds = %17, %0 |
| %2 = load i32, i32* @d, align 4 |
| %3 = sext i32 %2 to i64 |
| %4 = getelementptr inbounds [6 x i32], [6 x i32]* @b, i64 0, i64 %3 |
| %5 = load i32, i32* %4, align 4 |
| %6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %5) #2 |
| %7 = load i32, i32* @a, align 4 |
| %8 = icmp eq i32 %7, 0 |
| br i1 %8, label %thread-pre-split, label %9 |
| |
| ; <label>:9: ; preds = %1 |
| %10 = load i32, i32* @e, align 4 |
| %11 = icmp eq i32 %10, 0 |
| br i1 %11, label %12, label %12 |
| |
| thread-pre-split: ; preds = %1 |
| %.pr = load i32, i32* @e, align 4 |
| br label %12 |
| |
| ; <label>:12: ; preds = %thread-pre-split, %9, %9 |
| %13 = phi i32 [ %.pr, %thread-pre-split ], [ %10, %9 ], [ %10, %9 ] |
| %14 = icmp ne i32 %13, 0 |
| br i1 %14, label %15, label %15 |
| |
| ; <label>:15: ; preds = %12, %12 |
| br i1 %14, label %16, label %17 |
| |
| ; <label>:16: ; preds = %15 |
| br label %17 |
| |
| ; <label>:17: ; preds = %16, %15 |
| %.0 = phi i32 [ 1, %16 ], [ -1, %15 ] |
| %18 = and i32 %.0, 8693 |
| %19 = load i32, i32* @c, align 4 |
| %20 = xor i32 %18, %19 |
| %21 = xor i32 %20, -1 |
| store i32 %21, i32* @d, align 4 |
| %22 = icmp slt i32 %20, -2 |
| br i1 %22, label %1, label %23 |
| |
| ; <label>:23: ; preds = %17 |
| ret i32 0 |
| } |
| |
| declare i32 @printf(i8*, ...) |
| |