| ; 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 1, align 4 |
| @d = common global i32 0, align 4 |
| @c = common global i32 0, align 4 |
| @b = common global i32 0, align 4 |
| @e = common global i32 0, align 4 |
| |
| define i32 @main() { |
| ; CHECK-LABEL: @main( |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* @d, align 4 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0 |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP13:%.*]] |
| ; CHECK: [[TMP4:%.*]] = load i32, i32* @a, align 4 |
| ; CHECK-NEXT: [[TMP5:%.*]] = load i32, i32* @c, align 4 |
| ; CHECK-NEXT: [[TMP6:%.*]] = icmp slt i32 [[TMP5]], 1 |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[TMP7:%.*]], label [[TMP9:%.*]] |
| ; CHECK: [[TMP8:%.*]] = icmp eq i32 [[TMP4]], 0 |
| ; CHECK-NEXT: br i1 [[TMP8]], label [[TMP9]], label [[TMP9]] |
| ; CHECK: [[DOT0:%.*]] = phi i32 [ [[TMP4]], [[TMP7]] ], [ [[TMP4]], [[TMP7]] ], [ [[DOT1:%.*]], [[TMP13]] ], [ [[TMP4]], [[TMP3]] ] |
| ; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* @b, align 4 |
| ; CHECK-NEXT: [[TMP11:%.*]] = sdiv i32 [[TMP10]], [[DOT0]] |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i32 [[TMP11]], 0 |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[TMP13]], label [[TMP13]] |
| ; CHECK: [[DOT1]] = phi i32 [ [[DOT0]], [[TMP9]] ], [ [[DOT0]], [[TMP9]] ], [ undef, [[TMP0:%.*]] ] |
| ; CHECK-NEXT: [[TMP14:%.*]] = load i32, i32* @e, align 4 |
| ; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i32 [[TMP14]], 0 |
| ; CHECK-NEXT: br i1 [[TMP15]], label [[TMP16:%.*]], label [[TMP9]] |
| ; CHECK: ret i32 0 |
| ; |
| %1 = load i32, i32* @d, align 4 |
| %2 = icmp eq i32 %1, 0 |
| br i1 %2, label %3, label %13 |
| |
| ; <label>:3: ; preds = %0 |
| %4 = load i32, i32* @a, align 4 |
| %5 = load i32, i32* @c, align 4 |
| %6 = icmp slt i32 %5, 1 |
| br i1 %6, label %7, label %9 |
| |
| ; <label>:7: ; preds = %3 |
| %8 = icmp eq i32 %4, 0 |
| br i1 %8, label %9, label %9 |
| |
| ; <label>:9: ; preds = %13, %7, %7, %3 |
| %.0 = phi i32 [ %4, %7 ], [ %4, %7 ], [ %.1, %13 ], [ %4, %3 ] |
| %10 = load i32, i32* @b, align 4 |
| %11 = sdiv i32 %10, %.0 |
| %12 = icmp eq i32 %11, 0 |
| br i1 %12, label %13, label %13 |
| |
| ; <label>:13: ; preds = %9, %9, %0 |
| %.1 = phi i32 [ %.0, %9 ], [ %.0, %9 ], [ undef, %0 ] |
| %14 = load i32, i32* @e, align 4 |
| %15 = icmp eq i32 %14, 0 |
| br i1 %15, label %16, label %9 |
| |
| ; <label>:16: ; preds = %13 |
| ret i32 0 |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) |
| |
