diff options
Diffstat (limited to 'test/Transforms/Util/PredicateInfo/pr33457.ll')
| -rw-r--r-- | test/Transforms/Util/PredicateInfo/pr33457.ll | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/test/Transforms/Util/PredicateInfo/pr33457.ll b/test/Transforms/Util/PredicateInfo/pr33457.ll new file mode 100644 index 000000000000..b975ade9321d --- /dev/null +++ b/test/Transforms/Util/PredicateInfo/pr33457.ll @@ -0,0 +1,93 @@ +; 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*, ...) + |