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| ; 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*, ...)
|